000 00298nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aWalter H.Pauley
245 0 _aPossibilities of increasing world food production
260 _bOxford & IBH
260 _c1969
365 _b5.00
942 _cBK
999 _c197602
_d197602