30.01 history of the exact sciences 78 33.01 history of physics 70 31.73 mathematical statistics 68 3-D films 64 35mm cameras 53 360-degree feedback (Rating of employees) 46 31.01 history of mathematics 37 31.00 mathematics: general 36 33.23 quantum physics 36 39.01 history of astronomy 33 3-D television 29 30.00 exact sciences: general 29 31.70 probability 28 33.00 physics: general 28 35.01 history of chemistry 27 39.22 astrophysics 27 35.25 spectrochemical analysis 24 39.00 astronomy: general 24 35.50 organic chemistry: general 22 3-D video (Three-dimensional imaging) 20 31.80 applications of mathematics 20 31.14 number theory 19 35.51 physical organic chemistry 19 3d 19 31.46 functional analysis 18 33.38 modern optics 18 38.22 palaeozoology 18 33.21 relativity, gravitation 17 35.70 biochemistry: general 17 39.53 planets 17 30.02 philosophy and theory of the exact sciences 16 31.21 theory of groups 16 31.76 numerical analysis 16 33.02 philosophy and theory of physics 16 31.10 logic, set theory 14 33.60 condensed matter: general 14 35.11 quantum chemistry, chemical bonds 14 31.23 rings, algebras 13 33.06 mathematical methods of physics 13 35.00 chemistry: general 13 30.04 teaching, profession, organizations of the exact sciences 12 31.04 teaching, profession, organizations of mathematics 12 31.50 geometry: general 12 31st Psalm 12 35.52 organic syntheses 12 31.02 philosophy and theory of mathematics 11 31.52 differential geometry 11 33.11 classical mechanics 11 33.18 classical optics 11 33.40 nuclear physics: general 11 30.30 exact sciences in relation with other scientific and cultural areas 10 31.45 partial differential equations 10 33.14 fluid dynamics, transport in gasses and fluids, rheology 10 33.50 physics of elementary particles and fields: general 10 39.30 cosmology 10 3D graphics & modelling 10 31.12 combinatorics 9 33.25 thermodynamics 9 33.56 properties of specific particles, resonances 9 34th Psalm 9 30.03 methods, techniques and organization of exact scientific research 8 33.26 statistical physics 8 35.10 physical chemistry: general 8 35.80 macromolecular chemistry 8 37th Psalm 8 39.49 stars and star systems: other 8 3-piano scores 7 30-600 7 30.10 cybernetics and systems theory 7 31.20 algebra: general 7 31.40 mathematical analysis: general 7 31.81 mathematical physiscs 7 33.16 electromagnetism 7 33.76 magnetic resonance, magnetic relaxation, M. 7 33d 7 34th 7 35.60 organometallic chemistry 7 39.11 astronomical observations, observatories, planetaria 7 3D-Druck 7 31.30 topological groups, Lie-groups 6 31.41 real analysis 6 33.30 atomic and molecular physics: general 6 33.43 radioactivity, electromagnetic transitions 6 33rd Psalm 6 35.16 photochemistry 6 39.40 stars and star systems: general 6 39.41 extragalactic systems 6 39.43 interstellar matter 6 39.54 interplanetary matter 6 308th Infantry 5 31.44 ordinary differential equations 5 31.61 algebraic topology 5 31.65 varieties, cell complexes 5 31.99 mathematics: other 5 33.12 acoustics 5 33.27 non-linear dynamics 5 33d Infantry (Colored) 5 33rd 5 35.14 electrochemistry 5 35.29 chromatographic analysis, electrophoresis 5