000			00346nam a2200133Ia 4500
008			140113s9999 xx 000 0 und d
082			_a631.461(047.1) L5
100			_a" Walker, N."
245			_aSoil microbiology a critical review
260			_b"London : Butterworths, 1975"
300			_a262p.
650			_aSoil microbiology
942			_cBK
999			_c63232 _d63232