000 00515nam a2200205Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aSB112.5.H38
100 _aHay, Robert K. M.
245 3 _aAn introduction to the physiology of crop yield
260 _aNew York
260 _bJohn Wiley and Sons, Inc.
260 _c1989
300 _a292p.
300 _c25cm.
650 _aCrops productivity
700 _aill.
942 _2Library of Congress Classification
942 _cBook
999 _c35426
_d35426