000 004380000a22001690004500
020 _a0-85198-671-4
060 _a100
082 _a631.847 GIL
100 _aGiller, Ken E
100 _aWilson, Kate I
245 _aNitrogen fixation in tropical cropping systems
260 _aNew Delhi, CAB International
260 _c1991
300 _a313
650 _aAgriculture fertilizers nitrogen fixation/ Tropical crops
942 _cBK
999 _c210792
_d210792