Classification
TND - Gas cooled reactor types
3
EPK - Nuclear energy
2
TNB - Nuclear power plants
2
TNE - Water cooled reactors
2
TNH - Research reactors
2
TNL - Nuclear fuel, nuclear fuel elements - general
2
CAA - Chemistry - reference books
1
DEA - Formal languages, machine oriented, assembler
1
GWA - Raw material economy, raw material policy
1
HBG - Molecular biology in medicine, human genetics
1
HBX - Experimental medicine, laboratory animals
1
LEM - Botany - anatomy, morphology
1
LKH - Biochemistry - methods
1
LOH - Genetics - methods
1
LTV - Green genetic engineering
1
LWE - Agriculture - general aspects
1
LWV - Agriculture - plant protection
1
PAA - Physics - reference books
1
PGE - Particle kinetics and transport in plasmas
1
PGH - Plasma diagnostics
1
PGK - Fusion plasmas, fusion research
1
TNA - Nuclear engineering - general
1
UCG - Control of environmental pollution
1
UMT - Acid rain and atmospheric deposition
1
YRB - Social sciences, sociology
1
YZA - Politics, political science
1