000 003540000a22001570004500
020 _a0126349509
060 _a100
082 _a631 SEI
100 _aSeigler, David S
245 _aCrop Resources
260 _aLondon, Academic press
260 _c1977
300 _a233
650 _aCrop resources/ Field crops/ Crops development
942 _cBK
999 _c349122
_d349122