Classification
530 - Physics
3
301 - Sociology & anthropology
2
519 - Probabilities & applied mathematics
2
620 - Engineering & allied operations
2
153 - Mental processes & intelligence
1
325 - International migration & colonization
1
510 - Mathematics
1
533 - Gas mechanics
1
610 - Medicine & health
1
615 - Pharmacology & therapeutics
1
621 - Applied physics
1
629 - Other branches of engineering
1