Classification
530 - Physics
103
548 - Crystallography
103
541 - Physical chemistry
35
539 - Modern physics
34
621 - Applied physics
22
546 - Inorganic chemistry
18
549 - Mineralogy
16
620 - Engineering & allied operations
14
543 - Analytical chemistry
9
571 - Physiology & related subjects
7
536 - Heat
4
547 - Organic chemistry
4
531 - Classical mechanics; solid mechanics
2
537 - Electricity & electronics
2
538 - Magnetism
2
572 - Biochemistry
2
616 - Diseases
2
004 - Data processing & computer science
1
514 - Topology
1
515 - Analysis
1
516 - Geometry
1
641 - Food & drink
1
660 - Chemical engineering
1
664 - Food technology
1