1
Nitrogen overload : environmental degradation, ramifications, and economic costs /
Book
...UPP - Water pollution...
Table of Contents 
2
Anthropogenic compounds . F . Detergents /
Book
Balk, F.
1992
...UPP - Water pollution...
3
Environmental research in aquatic systems /
Book
...UPP - Water pollution...
Table of Contents 
4
Environmental research in aquatic systems [E-Book] /
5
Aquatic humic substances: influence on fate and treatment of pollutants : National meeting of the American Chemical Society 0193 : Denver, CO, 05.04.87-10.04.87 /
Book