Classification
EVA - Energy demand, energy supply - comprehensive works
17
AZZ - Firm index - general
16
EAA - Energy - reference books
4
CTD - Chemical analysis - general aspects
1
CXA - Coal and fossil fuel - chemistry and technology
1
CXD - Characterization of coal and other fossil fuels
1
CXG - Coal and fossil fuel refining and cleaning
1
EEA - Coal - general
1
TKL - Mining - technical aspects
1
UCG - Control of environmental pollution
1
USGH - Contaminated sites
1
UXAL - Radioisotopes in soil and groundwater
1