000 00295nam a2200133Ia 4500
008 191031s9999 xx 000 0 und d
100 _aAlexander
245 0 _aIntroduction to soil microbiology
260 _bWiley Eastern
260 _c1977
365 _b22
500 _aw.o
942 _cBK
999 _c207532
_d207532