Classification
621 - Applied physics
176
535 - Light & infrared & ultraviolet phenomena
12
537 - Electricity & electronics
12
620 - Engineering & allied operations
11
520 - Astronomy & allied sciences
6
530 - Physics
6
539 - Modern physics
4
610 - Medicine & health
4
541 - Physical chemistry
2
003 - Systems
1
519 - Probabilities & applied mathematics
1
531 - Classical mechanics; solid mechanics
1
538 - Magnetism
1
612 - Human physiology
1
624 - Civil engineering
1
629 - Other branches of engineering
1
670 - Manufacturing
1