000 00337nam a2200133Ia 4500
008 170324s9999 xx 000 0 und d
082 _a338.1
100 _a"Just, R.E., Bockstael, N."
245 0 _aCommodity and resource policies in agricultural systems
260 _bSpringer Verlag
260 _c1991
365 _b0.00
942 _cBK
999 _c7788
_d7788