000 00591nam a2200193Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a630.72(777)
_bRBull132
100 _aBrown P E
245 _aMicrobiological studies of some typical Iowa soil profiles
260 _aIowa
_bIowa State College of Agriculture
_c1930
300 _a363-420p.
500 _aIowa, Agricultural Experiment Station, Research Bulletin no.132
650 _aAgricultureMicrobiological study
650 _aSoils
700 _aBenton T H
_4Auth.
942 _cBK
999 _c41546
_d41546