Classification
003 - Systems
629 - Other branches of engineering
969
005 - Computer programming, programs & data
92
620 - Engineering & allied operations
34
500 - Natural sciences & mathematics
26
006 - Special computer methods
17
745 - Decorative arts
6
384 - Communications; telecommunication
3
331 - Labor economics
2
510 - Mathematics
2
153 - Mental processes & intelligence
1
330 - Economics
1
519 - Probabilities & applied mathematics
1
621 - Applied physics
1
658 - General management
1
800 - Literature & rhetoric
1