00406nam a2200133Ia 4500008004100000082001900041100001100060245004800071260002000119300000800139942000700147952010100154999001700255140113s9999    xx            000 0 und d  a311:631.8   K6  aF.A.O.  aStatistics of crop responses to fertilizers  a1966bFAOcRome  a112  cBK  00104070aVTLbVTLd2014-01-13l0o311:631.8   K6pVBK161r2014-01-13 00:00:00w2014-01-13yBK  c56839d56839