Classification
ACE - Germanic languages, Indo-Germanic languages
3
CAE - Chemistry - general
3
AXN - Phrase books, language courses
2
CAD - Chemistry - comprehensive works
1
CAS - Chemistry - periodic system
1
CAU - Laboratory and safety engineering in chemistry
1
CBB - Inorganic chemistry - comprehensive works
1
CEC - Organic chemistry - comprehensive works
1
CEF - Organic chemistry - introductions
1
CELC - Organic synthesis
1
DWI - Information management
1
DZC - Man and computer
1
TAA - Engineering sciences - reference books
1
TAB - Engineering sciences - dictionaries
1
TBC - Electronic circuits
1
TBJ - Integrated circuits
1
TBS - Digital electronics
1
THA - Mechanical engineering - general
1
THC - Engineering mechanics and dynamics
1
YPGN - Project management
1
YPH - Secretarial work, office management
1
ZFA - Teaching materials, learning aids
1