Classification
EXA - Energy policy
3
EUR - District heating
2
GCA - Regional geology
2
HAN - Medicine - mathematical methods, computer applications, databases
2
HCI - Radiation biology, dosimetry
2
UEG - Environmental programs and expertises
2
UMN - Air pollution control and measurement
2
UXA - Environmental radioactivity
2
UXV - Radioactive waste disposal - interim and final
2
ASCH - Library accessions
1
ASCR - Book conservation
1
DGC - Parallel and vector computers
1
EHA - Renewable energy sources
1
EIA - Solar energy - general
1
EPK - Nuclear energy
1
FEAC - Synergetics
1
FGGJ - Ion beam analysis, ion beam solid interaction
1
FHGJ - High resolution and high voltage electron microscopy
1
FNP - Ceramics - specific materials
1
FNT - Powder technology
1
GBA - General geology, historical geology
1
GRA - Meteorology
1
GTAK - Hydrogeology
1
GWA - Raw material economy, raw material policy
1
GWBB - Raw material supply, raw material demand
1
HDG - Psychology, psychiatry
1
HTE - Oncology - general
1
HYE - Environmental health
1
LOL - Genetics - general aspects, classic genetics
1
LTE - Biotechnology - general aspects
1
PGLJ - Plasma wall interaction, divertors
1
TNOB - Nuclear reactor accidents
1
UA - Environment - general
1
UCG - Control of environmental pollution
1
UCJ - Environmental protection - general aspects
1
UED - Environmental policy
1
UHCD - Parks and recreation areas
1
UKA - Environmental damage and energy production
1
UMRC - Effects of air pollution on plants and animals
1
USU - Waste recycling
1
UXAL - Radioisotopes in soil and groundwater
1
UXC - Radioactive emission
1
UXNB - Radiation protection relating to reactor safety, reactor accidents
1
UXX - Marine disposal of radioactive waste
1
UXY - Radioactive fuel reprocessing
1
YZA - Politics, political science
1
ZBAA - General (incl. bibliographies)
1
ZBAF - Festschrifts
1
ZBJ - Library types
1