1
Humic substances and chemical contaminants : proceedings of a workshop and symposium ... Anaheim, Calif. October 26-27, 1997 /
Book
2
The lysimeter concept : environmental behavior of pesticides : developed from a symposium ... at the 213th National Meeting of the American Chemical Society, San Francisco, California, April 13 - 17, 1997 /
Book
3
Soil organic matter : analysis and interpretation ; proceedings of a symposium , Washington, 14. Nov. 1994 /
Book
...URA - Soil chemistry...