Classification
UMB - Atmospheric chemistry
5
UA - Environment - general
3
CH - Physical chemistry
2
PKA - Elementary particles, nuclei - general
2
PKR - Nuclear reactions, nuclear scattering
2
AFC - Research institutions, scientific organizations - Germany ( DFG, MPG, FHG )
1
AHZ - History of science and technology
1
CHXJ - Chemical thermodynamics - special aspects
1
GAN - Geosciences - mathematical methods, computer applications
1
GCAB - Regional geology - european countries
1
GWA - Raw material economy, raw material policy
1
HYE - Environmental health
1
PKAE - Elementary particles, nuclei (reports)
1
PKG - Accelerators
1
PKM - High spin states, giant resonances, heavy ions
1
TGBE - Electric and electronic measurement
1
TGN - Control engineering
1
THA - Mechanical engineering - general
1
THD - Design and construction in mechanical engineering
1
TNI - Reactor physics
1
TNQ - Nuclear reactor operation, control, measurement
1
UAN - Environment - mathematical methods, computer applications
1
UCG - Control of environmental pollution
1
UMD - Atmospheric models
1
UMRB - Effects of air pollution on man
1
UVR - Environmental aspects of halogens and halogenated hydrocarbons
1