Classification
004 - Data processing & computer science
24
621 - Applied physics
24
005 - Computer programming, programs & data
11
006 - Special computer methods
3
620 - Engineering & allied operations
3
003 - Systems
2
000 - Computer science, information & general works
1
333 - Economics of land & energy
1
537 - Electricity & electronics
1
541 - Physical chemistry
1
600 - Technology
1
616 - Diseases
1
700 - The arts; fine & decorative arts
1