- Open land city - Città in terra aperta
- Open Microfluidics
- Open Midnight
- Open Problems in Mathematics
- Open Problems in Mathematics and Computational Science
- Open Problems in Optimization and Data Analysis
- Open Problems in the Geometry and Analysis of Banach Spaces
- Open Problems in Topology II
- Open Quantum Physics and Environmental Heat Conversion into Usable Energy: Volume 2
- Open Quantum Systems
- Open Quantum Systems Far from Equilibrium
- Open Revolution
- Open Science by Design
- Open Science: the Very Idea
- Open Season
- Open Sesame
- Open Sesame Book 2
- Open Sesame Book 3
- Open Sesame Book 4
- Open Sesame Book 5
- Open Skies
- Open Source Approaches in Spatial Data Handling
- Open Source Geospatial Science for Urban Studies
- Open Source Geospatial Tools
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- Open Source Intelligence and Cyber Crime
- Open Source Software in Life Science Research (Enhanced Edition)
- Open Source Software Policy Options for NASA Earth and Space Sciences
- Open Space
- Open Spaces
- Open Spaces, Open Rebellions
- Open to Interpretation (Letters) (Letter to the Editor)
- Open Water Swimming Manual
- Open Your Eyes
- Open Your Eyes, Genesis and the Origin of Space-Time
- Open-Channel Flow
- Open-Source Lab (Enhanced Edition)
- OpenFOAM®
- OpenGeoSys Tutorial
- OpenGeoSys-Tutorial
- Opening a Window to the West
- Opening and Closure of the Neuquén Basin in the Southern Andes
- Opening Doors: Joan Steitz and Jennifer Doudna, Two Women of the RNA World
- Opening Heaven's Door
- Opening New Frontiers in Space
- Opening Science
- Opening to Abundance
- OpenStat Reference Manual
- OpenStreetMap in GIScience
- Operaciones auxiliares elementales en laboratorio y en procesos en la industria química y afines
- Operaciones de almacén de productos químicos y relacionados
- Operaciones para la gestión de residuos industriales
- Operación de centrales de ciclo combinado
- Operación y mantenimiento de centrales de ciclo combinado
- Operacja łódzka 1914. Najciekawsza batalia pierwszej wojny światowej
- Operador De Processos De Produção
- Operads of Wiring Diagrams
- Operando Research in Heterogeneous Catalysis
- Operatic Geographies
- Operation and Control of Renewable Energy Systems
- Operation Bite Back
- Operation Gatekeeper and Beyond
- Operation of a Cryogenic Rocket Engine
- Operation of Distributed Energy Resources in Smart Distribution Networks
- Operation Rucksack
- Operation Saltwater
- Operation Space Magic: The Cosmic Connection
- Operational and Environmental Consequences of Large Industrial Cooling Water Systems
- Operational Aspects of Oil and Gas Well Testing
- Operational Calculus and Generalized Functions
- Operational Calculus in Two Variables and Its Applications
- Operational Freight Carrier Planning
- Operational Modal Analysis
- Operational Modal Analysis of Civil Engineering Structures
- Operational Oceanography in the 21st Century
- Operational Procedures Describing Physical Systems
- Operational Quantum Theory I
- Operational Quantum Theory II
- Operational Research
- Operational Spacetime
- Operational Sustainability in the Mining Industry
- Operational Symmetries
- Operational Weather Forecasting
- Operations for First Graders
- Operations for Second Graders
- Operations Management in Agriculture (Enhanced Edition)
- Operations Research
- Operations Research and Optimization
- Operations Research Problems
- Operations Research Proceedings 2004
- Operations Research Proceedings 2005
- Operations Research Proceedings 2007
- Operations Research Proceedings 2008
- Operations Research Proceedings 2010
- Operations Research Proceedings 2012
- Operations Research Proceedings 2013
- Operations Research Proceedings 2014
- Operations Research Proceedings 2015
- Operations Research Proceedings 2017
- Operations Research Proceedings 2018
- Operations Research Proceedings 2019
- Operations Research, Engineering, and Cyber Security
- Operations with Whole Numbers for Sixth Graders
- Operator Algebra and Dynamics
- Operator Algebras
- Operator Algebras and Applications
- Operator Algebras, Operator Theory and Applications
- Operator Algebras, Toeplitz Operators and Related Topics
- Operator Analysis
- Operator Approximant Problems Arising from Quantum Theory
- Operator Functions And Operator Equations
- Operator Inequalities (Enhanced Edition)
- Operator Inequalities of the Jensen, Čebyšev and Grüss Type
- Operator Methods for Boundary Value Problems
- Operator Methods in Quantum Mechanics
- Operator Theoretic Aspects of Ergodic Theory
- Operator Theory and Differential Equations
- Operator Theory and Harmonic Analysis
- Operator Theory and Indefinite Inner Product Spaces
- Operator Theory and Numerical Methods (Enhanced Edition)
- Operator Theory in Krein Spaces and Nonlinear Eigenvalue Problems
- Operator Theory, Analysis and Mathematical Physics
- Operator Theory, Systems Theory and Scattering Theory: Multidimensional Generalizations
- Operator-Adapted Wavelets, Fast Solvers, and Numerical Homogenization
- Operator-Based Nonlinear Control Systems
- Operator-Related Function Theory and Time-Frequency Analysis
- Operator-Valued Measures and Integrals for Cone-Valued Functions
- Operators and Iterative Processes of Fejér Type
- Operators and Representation Theory
- Operators, Geometry and Quanta
- Opere di Archimede
- Opere di Baldassarre Boncompagni
- Opere di Evangelista Torricelli
- Opere di Francesco Redi
- Opere di Galileo Galilei
- Opere di Giovanni Maironi da Ponte
- Opere di Giovanni Marsili
- Opere di Giovanni Virginio Schiaparelli
- Opere di Orso Mario Corbino
- Opere vol. 14
- Ophthalmic Clinical Examination: The Sydney Eye Hospital Registrars' Manual
- Ophthalmic Dispensing Revision Guide: First Year Part One
- Ophthalmic Ultrasonography
- Ophthalmoscopes, Mirrors, & Talking Lights
- Opinia publiczna
- Opinion Analysis in Interactions
- Opinion Dynamics and the Evolution of Social Power in Social Networks
- Opioid Food Peptides
- Opium
- Opium Poppy
- Oplev naturen og sans magien
- Oplevelser i ukendt land
- Opossums
- Oppenheimer
- Oppenheimer and the Manhattan Project
- Opportunistic Parasitic Infections in HIV/AIDS Patients Presenting with Diarrhoea by the Level of Im...
- Opportunities and Challenges in Development
- Opportunities and Obstacles in Large-Scale Biomass Utilization
- Opportunities and Pitfalls of Corporate Social Responsibility
- Opportunities for Environmental Applications of Marine Biotechnology
- Opportunities for Fluoropolymers
- Opportunities for High-Power, High-Frequency Transmitters to Advance Ionospheric/Thermospheric Resea...
- Opportunities for the Gulf Research Program
- Opportunities for the Gulf Research Program: Monitoring Ecosystem Restoration and Deep Water Environ...
- Opportunities in Biotechnology for Future Army Applications
- Opportunities in High Magnetic Field Science
- Opportunities in Intense Ultrafast Lasers
- Opportunities to Improve Representation of Clouds and Aerosols in Climate Models with Classified Obs...
- Opportunities to Improve the U.S. Geological Survey National Water Quality Assessment Program
- Opportunities to Use Remote Sensing in Understanding Permafrost and Related Ecological Characteristi...
- Opportunity for Agro Entrepreneur in Developing Agro Initiative in Islamic Banking in Malaysia (Repo...
- Opportunity, Montana
- Oprani možgani
- Optic Diagnostics on Pulverized Coal Particles Combustion Dynamics and Alkali Metal Release Behavior
- Optical 3D-Spectroscopy for Astronomy
- Optical Absorption of Impurities and Defects in Semiconducting Crystals
- Optical Absorption Spectra Calculated Using Linear-Scaling Density-Functional Theory
- Optical Allusions
- Optical and Digital Techniques for Information Security
- Optical And Microwave Technologies
- Optical and Microwave Technologies for Telecommunication Networks
- Optical and Wireless Convergence for 5G Networks
- Optical and Wireless Technologies
- Optical Applications of Liquid Crystals
- Optical Beam Characterization via Phase-Space Tomography
- Optical Binding Phenomena: Observations and Mechanisms
- Optical Biomimetics (Enhanced Edition)
- Optical Biosensors (Enhanced Edition)
- Optical Bistability: Controlling Light With Light (Enhanced Edition)
- Optical Cavities for Optical Atomic Clocks, Atom Interferometry and Gravitational-Wave Detection
- Optical CDMA Networks
- Optical Characterization of Plasmonic Nanostructures: Near-Field Imaging of the Magnetic Field of Li...
- Optical Characterization of Semiconductors
- Optical Characterization of Thin Solid Films
- Optical Chemical Sensors
- Optical Coatings
- Optical Code Division Multiple Access
- Optical Code Division Multiple Access Communication Networks
- Optical Coherence and Quantum Optics
- Optical Coherence Tomography
- Optical Communication Systems
- Optical Communications
- Optical Communications in the 5G Era
- Optical Components, Techniques, and Systems in Engineering
- Optical Compressive Imaging
- Optical Computing
- Optical Cooling Using the Dipole Force
- Optical Detection Of Cancer
- Optical Detection of Nanoparticles and Viruses
- Optical Devices in Ophthalmology and Optometry
- Optical Diagnostics for Thin Film Processing
- Optical Effects in Solids
- Optical Engineering of Diamond