Classification
FKA - Magnetism - general aspects
4
FKG - Magnetic materials
4
TEJ - Electric devices, mechanical devices, magnets, dielectrics
3
CR - Nuclear chemistry, radiation chemistry
2
CTYM - Trace analysis
2
CUW - Mass spectroscopy
2
GRBK - Climatological data
2
HJE - Immunology - experimental
2
LAA - Biology - reference books
2
LKA - Biochemistry - reference books
2
LMA - Biophysics - reference books
2
LMN - Molecular biophysics, biophysical chemistry
2
UMB - Atmospheric chemistry
2
CWE - Chemical engineering, chemical industry - general
1
DGC - Parallel and vector computers
1
DHA - Computer equipment and periphery
1
DPA - Electronic data processing - applications
1
DWI - Information management
1
EVA - Energy demand, energy supply - comprehensive works
1
FAE - Materials research - general interest
1
FGT - Microtechnology
1
FHCH - Microstructural analysis
1
FNN - Ceramics - general aspects
1
GBH - Marine geology
1
GNA - Geology - soil sciences
1
GRA - Meteorology
1
GRB - Climatology
1
GVA - Oceanography
1
HAN - Medicine - mathematical methods, computer applications, databases
1
HCN - Nuclear medicine
1
HRD - Dosimetry, radiation protection - medical aspects
1
HTE - Oncology - general
1
HTW - Oncology - therapeutics
1
PAD - Physics - comprehensive works
1
PKF - Elementary particles, nuclei - measuring methods and instruments
1
TCA - Communication science - general
1
THF - Finite element methods - engineering aspects
1
TIC - Operations research - industrial aspects
1
TKF - Power plants
1
TKL - Mining - technical aspects
1
TNO - Nuclear reactor safety
1
TNU - Nuclear process heat
1
UMN - Air pollution control and measurement
1
UXH - Nuclear radiation measurement
1
YPD - Business economics
1
YPI - Corporate governance
1
YZA - Politics, political science
1