Classification
URA - Soil chemistry
10
GNA - Geology - soil sciences
1
LWH - Agriculture - soil sciences
1
UCJ - Environmental protection - general aspects
1
UHC - Area planning and environment
1
UHCH - Urban areas
1
UPVC - Groundwater
1
USGH - Contaminated sites
1
UVFD - Environmental aspects of specific heavy metals - cadmium, lead, mercury
1