Classification
CAA - Chemistry - reference books
3
THA - Mechanical engineering - general
3
TBA - Electronic engineering - general
2
CEC - Organic chemistry - comprehensive works
1
CHJ - Molecular physics, molecular structure
1
CHX - Chemical thermodynamics
1
PJA - Atomic physics - general
1
TEA - Electrical engineering - general
1
TEF - Electric machines, electric cables
1