00293nam a2200121Ia 45000030006000000080041000060400015000471000017000622450054000792600009001335460012001420050017001540STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aPawley, W.H.  aPossibilities of increasing world food production  c1963  aEnglish20220125170359.0