Classification
004 - Data processing & computer science
6
006 - Special computer methods
1
512 - Algebra
3
514 - Topology
1
515 - Analysis
9
516 - Geometry
3
518 - Numerical analysis
11
519 - Probabilities & applied mathematics
7
523 - Specific celestial bodies & phenomena
5
530 - Physics
67
531 - Classical mechanics; solid mechanics
10
532 - Fluid mechanics; liquid mechanics
3
533 - Gas mechanics
3
534 - Sound & related vibrations
8
535 - Light & infrared & ultraviolet phenomena
1
537 - Electricity & electronics
1
539 - Modern physics
16
548 - Crystallography
2
550 - Earth sciences
1
551 - Geology, hydrology & meteorology
1
571 - Physiology & related subjects
4
620 - Engineering & allied operations
18
621 - Applied physics
1
627 - Hydraulic engineering
1
628 - Sanitary & municipal engineering
1
629 - Other branches of engineering
2
660 - Chemical engineering
1
670 - Manufacturing
1
691 - Building materials
1
693 - Specific materials & purposes
1