Humus acids of soil
D.S. Orlov.
New Delhi : Published for the United States Dept. of Agriculture and the National Science Foundation, Washington, D.C., by Amerind Pub. Co., ©1985.
xi, 378 págs. : ilustraciones ; 24 cm.
Traducción de: Gumusovye kisloty pochv.
"Ag TT 81-1-52009.".
Bibliografía: p. [295]-371.