000 00300nam a2200109Ia 4500
008 161118s2016 xx 000 0 und d
100 _aCowling, Keith
245 0 _aResource Stracture at Agriculture an Economic Analysis.
260 _aNew York
_bPergamon Press
_c1970
300 _a248 p
942 _2ddc
999 _c13462
_d13462