Classification
CT - Chemical methods of materials analysis
1
CXR - Natural gas and petroleum - chemistry and technology
1
HBX - Experimental medicine, laboratory animals
1
PGAC - Plasma models, plasma simulation
1
PGK - Fusion plasmas, fusion research
1
PKF - Elementary particles, nuclei - measuring methods and instruments
1
UA - Environment - general
1
UPT - Water pollution control and measurement
1
YRB - Social sciences, sociology
1
YZA - Politics, political science
1