Classification
TEA - Electrical engineering - general
9
THA - Mechanical engineering - general
8
TBA - Electronic engineering - general
5
CAA - Chemistry - reference books
4
TBJ - Integrated circuits
4
THHD - Machine parts
2
CEC - Organic chemistry - comprehensive works
1
CHJ - Molecular physics, molecular structure
1
CHX - Chemical thermodynamics
1
MAK - Mathematics - formulae, tables
1
PJA - Atomic physics - general
1
TBC - Electronic circuits
1
TBF - Semiconductor devices
1
TBG - Transistors
1
TBH - Power electronics, rectifiers, thyristors
1
TBS - Digital electronics
1
TEF - Electric machines, electric cables
1
THD - Design and construction in mechanical engineering
1