Soil organic matter - Kononova, M.M.; Nowakowski, T.Z.; Greenwood, G.A. (Oxford: Pergamon Press, 1961)
The academy of science of the USSR the V.V. Dokechev soil institute; Problems Pochvenogo gumula sooremennyye zadachiego izuchemiya
Bibliography: p. 371 - 412
Keywords: Soil fertility; Soil formation; Soils -- Organicj compound content; Soil permeability; Soils -- Organic matter