1
Soil organic matter : analysis and interpretation ; proceedings of a symposium , Washington, 14. Nov. 1994 /
Book
...URA - Soil chemistry...
2
Organic substances in soil and water: natural constituents and their influences on contaminant behaviour /
Book
...URA - Soil chemistry...
3
Stable isotopes in plant nutrition, soil fertility and environmental studies : International symposium on stable isotopes in plant nutrition, soil fertility and environmental studies: proceedings : Wien, 01.10.90-05.10.90
Book