Classification
EVA - Energy demand, energy supply - comprehensive works
4
GFA - Mineralogy - general
3
UKE - Environment and energy resources
2
EAD - Energy - comprehensive works
1
EBA - Energy production, energy technology
1
ETC - Energy conversion
1
EVB - Energy supply of Germany
1
EVN - Energy supply - future aspects
1
EWA - Energy economy
1
TNC - Nuclear reactor types - general
1