000 nam a22 4500
999 _c135054
_d135054
082 _a630.072 GIJ-P
100 _aGijsbers G. and other Eds
245 _aPlanning Agricultural Research: A Sourcebook
260 _aWallingford
_bCABI
_c2001
300 _a348
942 _2ddc
_cBK