Classification
AQNA - National bibliographies and lists of books in print - Germany
356
YBB - Law - general
164
EVB - Energy supply of Germany
144
EXA - Energy policy
138
AHC - Research and development, research politics - Germany
136
YPB - Economy - general aspects
130
YZA - Politics, political science
120
UA - Environment - general
117
AHF - Research and science
105
GCAA - Regional geology - Germany
104
YUD - Comprehensive statistical data - Germany
97
AES - Universities, academies - Germany
90
AQTC - Publication lists of institutions - Germany
85
ABD - National biographic catalogues - Germany
84
AFK - Research institutions - Germany
78
AFG - Large scale research institutions (Helmholtz Centres)
75
AFC - Research institutions, scientific organizations - Germany ( DFG, MPG, FHG )
62
EPK - Nuclear energy
56
AEG - Official corporations - Germany
53
EHA - Renewable energy sources
51
CWE - Chemical engineering, chemical industry - general
50
AMA - Education - general
48
TNO - Nuclear reactor safety
43
YEN - Atomic energy law
42
AQPD - Bibliographies of theses / dissertations
40
EUA - Energy conservation - general
39
EWA - Energy economy
38
TND - Gas cooled reactor types
35
FAF - Materials research - comprehensive works
34
CR - Nuclear chemistry, radiation chemistry
32
TNA - Nuclear engineering - general
32
EUR - District heating
31
TNB - Nuclear power plants
29
TNK - Nuclear reactor components - general
28
FAQ - Materials research - institutions, research and development
27
DGAG - High Performance Computing, Grid Computing
24
CT - Chemical methods of materials analysis
23
LHL - Microbiology - general aspects
22
UMN - Air pollution control and measurement
22
THK - Joining - welding, brazing, soldering
21
EFA - Petroleum, natural gas
20
EVA - Energy demand, energy supply - comprehensive works
20
AHH - Universities - research
19
TNL - Nuclear fuel, nuclear fuel elements - general
19
CRC - Nuclear chemistry
18
HRD - Dosimetry, radiation protection - medical aspects
18
FANE - Computational solid state physics
17
MNLB - Computational methods in physics
17
MSH - Mathematical methods in life sciences
17
PKR - Nuclear reactions, nuclear scattering
17
more ...