Humic Substances in the Environment
Schnitzer .M . and Khan ,S .V.
Humic Substances in the Environment - New York Mercel Dekker 1972 - vii, 327 hbk
08247110140
Humus
Soil Chemistry
Chemistry, Organic.
Humic Substances in the Environment - New York Mercel Dekker 1972 - vii, 327 hbk
08247110140
Humus
Soil Chemistry
Chemistry, Organic.