Classification
620 - Engineering & allied operations
11
530 - Physics
8
621 - Applied physics
8
515 - Analysis
7
519 - Probabilities & applied mathematics
4
003 - Systems
2
523 - Specific celestial bodies & phenomena
2
531 - Classical mechanics; solid mechanics
2
571 - Physiology & related subjects
2
006 - Special computer methods
1
306 - Culture & institutions
1
333 - Economics of land & energy
1
338 - Production
1
534 - Sound & related vibrations
1
551 - Geology, hydrology & meteorology
1
553 - Economic geology
1
612 - Human physiology
1
614 - Incidence & prevention of disease
1
629 - Other branches of engineering
1