TY - BOOK AU - Parkinson,Dennis AU - Gray,T.R.G. AU - Williams,S.T. TI - Methods for studying the ecology of soil micro-organisms T2 - IBP handbook SN - 0632082607 PY - 1971/// CY - London PB - International Biological Programme KW - Soil microbiology KW - Technique KW - Soil ecology N1 - Distributed in the U.S.A. by F.A. Davis Co., Philadelphia; Bibliography : p. 110-116 ER -