Vol 11: Num -- Phos Set of 17 volumes plus Index

Contents: N: Number theory, Algebraic and analytic -- Number theory, elementary -- Numerical analysis -- O: Ocean-atmospheric exchange -- Oceanic crust -- Oceanography, chemical -- Ocean surface process -- Ocean thermal energy conversion (OTEC) -- Offshore structures (Marine engineering) -- Operating systems -- Operations research -- Optical amplifiers (Semiconductor) -- Optical detectors -- Optical diffraction -- Optical fiber communications -- Optical fibers, fabrication and applications -- Optical fiber techniques for medical applications -- Optical information processing -- Optical Interferometry -- Optical isolators, circulators -- Optical waveguides (Planar) and waveguide devices -- Ore petrology -- Organic chemical systems, theory -- Organic Chemistry, Compound detection -- Organic Chemistry, synthesis -- Organic macrocycles -- Organometallic chemistry -- Ozone measurements and trends(Troposphere) -- P: Palynology -- Parrallel computing -- Partially coherent processing -- Particle physics, Elementary -- Particle size analysis -- Percolation -- Periodic table (Chemistry) -- Permitivity of liquids -- Perovskites -- Perturbation theory -- Petroleum geology -- Petroleum refining -- Pharmaceuticals -- Pharmaceuticals, controlled release of -- Pharmcokinetics -- Phase transformations, crystallographic aspects -- Phosphors --