000 00328nam a2200133Ia 4500
008 161121s9999 xx 000 0 und d
100 _aHEADY (Earl O.);SRIVASTAVA (Uma K.)
245 0 _aSpatial sector programming models in agr
260 _cLowa State Univ.
365 _b0
650 _aNIL
652 _a#N/A
942 _cBK
999 _c46384
_d46384