000 00297nam a22001217a 4500
020 _a8170194938
082 _a631.5841
_bGAN/RE
100 _aGangwar. B
_9292
245 _aResearch in Farming Systems
260 _bToday & Tomorrow's Printers and Publishers
_c2014
300 _a584
942 _cBK
999 _c341399
_d341399