Classification
690 - Buildings
211
624 - Civil engineering
38
620 - Engineering & allied operations
21
621 - Applied physics
20
658 - General management
11
531 - Classical mechanics; solid mechanics
8
693 - Specific materials & purposes
6
006 - Special computer methods
4
519 - Probabilities & applied mathematics
4
629 - Other branches of engineering
4
697 - Heating, ventilating & air-conditioning
3
352 - General considerations of public administration
2
363 - Other social problems & services
2
534 - Sound & related vibrations
2
660 - Chemical engineering
2
720 - Architecture
2
004 - Data processing & computer science
1
005 - Computer programming, programs & data
1
333 - Economics of land & energy
1
370 - Education
1
520 - Astronomy & allied sciences
1
530 - Physics
1
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
1
613 - Personal health & safety
1
628 - Sanitary & municipal engineering
1
670 - Manufacturing
1
691 - Building materials
1