Microbial transformation of sulfur in soil [microform] - Vangnai, Somsak 1939- (Quezon City Photoduplication Service. University of the Philippines Library, 1977)
Microfilmed with 21 other titles.
Thesis (M.S.)
Originally published in College, Los Banos, 1966.
Keywords: Soils -- Analysis; Sulphur; Sulphur bacteria