000			00344nam a2200145Ia 4500
008			170101s1971 xx 000 0 und d
082			_a631.46 G71S
100			_aGRAY, T.G.R
245		0	_aSoil micro-organisms
260			_bLondon _c1971
300			_a240p
650			_aSOIL MICROBIOLOGY
653			_aSOIL MICROBIOLOGY
942			_2ddc _cB
999			_c122195 _d122195