Classification
TND - Gas cooled reactor types
3
CLP - Colloid chemistry, surface chemistry
2
FNF - Polymer science - general aspects
2
TCH - Data transmission
2
TGN - Control engineering
2
TIG - Reliability, safety, quality control
2
ACE - Germanic languages, Indo-Germanic languages
1
AHZ - History of science and technology
1
CE - Organic chemistry
1
DMF - Software engineering
1
DPA - Electronic data processing - applications
1
EPK - Nuclear energy
1
LWV - Agriculture - plant protection
1
PGA - Plasma physics
1
PGNB - Fusion reactor materials
1
PKF - Elementary particles, nuclei - measuring methods and instruments
1
TEA - Electrical engineering - general
1
TNOB - Nuclear reactor accidents
1
TNOE - Nuclear reactor site
1
UCG - Control of environmental pollution
1
UCJ - Environmental protection - general aspects
1
ZBHA - Library systems
1