000 00266nam a2200109Ia 4500
008 180426s2012 xx 000 0 und d
082 _a338.1 RIT-A
100 _aRitson, Christopher
245 0 _aAgricultural Economics
260 _bGranda
_c1977
942 _2ddc
_cBB
999 _c130185
_d130185