Classification
UVA - Environmental chemicals, hazardous materials - comprehensive works
4
CAU - Laboratory and safety engineering in chemistry
2
UVW - Special effects of hazardous materials
2
UVWD - Effects of hazardous materials at the workplace
2
UVC - Environmental chemicals, hazardous materials - general aspects
1
UVT - Environmental aspects of other hazardous materials
1
YEF - Law on hazardous materials
1