000 00406nam a2200157Ia 4500
008 020204t1971 000 0 eng d
020 _a0050023225
080 _a631.461 GRA
_b4121
100 _aGray, T.R.G.
245 0 _aSoil micro-organisms
_h(Book)
260 _aEdinburgh
_bOliver & Boyd
_c1971
300 _a240 p.
_c22 cm.
650 _aSoil microbiology
700 _aWilliams, S.T.
999 _c9080
_d9080
035 _a4121