000 00340nam a2200145Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
020 _a865314535
041 _aen
082 _a338.1
100 _aRITSON Christopher
245 0 _aAgricultural Economics
260 _aBoulder
_bWestview Press
_c1982
300 _axiii, 409
942 _cPR
999 _c39461
_d39461