Classification
UA - Environment - general
935
YPB - Economy - general aspects
882
EXA - Energy policy
869
CBA - Gmelin handbook
722
CT - Chemical methods of materials analysis
716
CWE - Chemical engineering, chemical industry - general
674
FAF - Materials research - comprehensive works
652
EPK - Nuclear energy
625
TNO - Nuclear reactor safety
600
PKA - Elementary particles, nuclei - general
598
MSD - Mathematical methods in physics
555
CEA - Beilstein handbook
546
PAD - Physics - comprehensive works
541
THQ - Fluid mechanics and dynamics
517
EHA - Renewable energy sources
496
MWF - Programming, optimization, control theory
465
HCI - Radiation biology, dosimetry
461
YZA - Politics, political science
457
YBB - Law - general
449
HDS - Neurophysiology, neuroanatomy
433
PLA - Astrosciences - general
430
CH - Physical chemistry
429
TNA - Nuclear engineering - general
422
AFG - Large scale research institutions (Helmholtz Centres)
420
CAA - Chemistry - reference books
415
HTE - Oncology - general
409
GVA - Oceanography
396
AHF - Research and science
390
HCN - Nuclear medicine
380
LHL - Microbiology - general aspects
374
THM - Heat transfer, mass transfer - technical aspects
373
AQSP - Catalogues of individual libraries - monographs
370
CR - Nuclear chemistry, radiation chemistry
363
TNB - Nuclear power plants
362
UED - Environmental policy
360
AQNA - National bibliographies and lists of books in print - Germany
356
MWH - Statistics
353
LWE - Agriculture - general aspects
351
UMV - Climatic change
345
AHP - Philosophy
337
PBA - Quantum theory
335
YRA - Social studies
334
HRD - Dosimetry, radiation protection - medical aspects
332
EWA - Energy economy
320
DMA - Programming
314
AHZ - History of science and technology
313
CET - Special organic compounds - synthesis and reactions
310
CBB - Inorganic chemistry - comprehensive works
308
MWB - Stochastic processes
308
PEJ - Laser physics, laser materials
308
more ...