000 00317nam a2200121Ia 4500
001 MPKV109029
008 120911s9999 xx 000 0 und d
082 _a631.5
245 _aWorld Farming Vol 21
_c;
246 _aWorld Farming Vol 13
260 _aUSA
_bIntertec Publ. Corporation
_c1979
650 _aCrop Production
999 _c72375
_d72375