000 00299nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _a338.109
_bGRI
100 _aGrigg, David
245 _aDynamics of agricultural change the historical experience
260 _bSt. Martin Press
_aNew York
_c1982
999 _c135253
_d135253