Classification
551 - Geology, hydrology & meteorology
18
621 - Applied physics
16
549 - Mineralogy
8
624 - Civil engineering
8
660 - Chemical engineering
5
333 - Economics of land & energy
3
338 - Production
2
629 - Other branches of engineering
2
662 - Explosives, fuels & related products
2
003 - Systems
1
546 - Inorganic chemistry
1
620 - Engineering & allied operations
1
670 - Manufacturing
1