Classification
TCA - Communication science - general
146
TCC - IT - Information and telecommunication
23
TBA - Electronic engineering - general
11
DAA - Information technology - reference books
6
DAE - Information technology - general
5
TEA - Electrical engineering - general
5
YZA - Politics, political science
3
TAB - Engineering sciences - dictionaries
2
TCB - Communication and information - theory
2
TCLB - Electric waves, microwaves, Radar
2
AHK - Scientific work
1
AHZ - History of science and technology
1
DHA - Computer equipment and periphery
1
DYA - Artificial intelligence
1
EBA - Energy production, energy technology
1
FAP - Advanced materials - development and applications
1
GSC - Remote sensing
1
TBS - Digital electronics
1
TCDM - Mobile communication systems
1
TCJ - Signal processing
1
TCL - High frequency engineering
1
TGH - Technical optics
1
TKH - Air flight, space flight
1
YPB - Economy - general aspects
1
YPGF - Information management, communication management
1
YRA - Social studies
1
YRC - Technology and society
1
YRCD - Informatics, information and society
1
ZBH - Digital library
1