Classification
LTN - Biotechnology - biodegradation
4
LHH - Microbiology - methods
2
LCNA - Soil microbiology
1
LTH - Biotechnology - methods
1
UCGN - Control of environmental pollution - biological methods
1
USU - Waste recycling
1
UVC - Environmental chemicals, hazardous materials - general aspects
1
UVT - Environmental aspects of other hazardous materials
1