Orlov, D.S. Humic substances of soil and general theory of humification / /[by] D.S.Orlov; translated by V.S Kothekar - New Delhi. Oxford & IBH pub. 1995 - viii, 323 pages. Translation of Gumusovye kisloti pochv i obshchaya teoriya gumifikatsii ISBN: 8120409183 Subjects--Topical Terms: Soils Soil biochemistryHumification Dewey Class. No.: 631.417 / ORL