Classification
CXR - Natural gas and petroleum - chemistry and technology
1
CXRU - Synthetic fuels
1
EBA - Energy production, energy technology
1
ENA - Energy from biomass and waste
3
LHL - Microbiology - general aspects
1
LTN - Biotechnology - biodegradation
4
UMGH - Gas cleaning
1
USD - Solid waste
1
USGK - Waste incineration
1
USU - Waste recycling
1