000 00571nam a2200217Ia 4500
008 170901s1941 xx 000 0 und d
082 _a581.13
_bB13H
100 _aBahrt, George M.
245 0 _aHunger Signs in Crops
_bA Symposium
260 _aWashington,D.C.
_bThe American Society of Agronomy
_c1941
300 _a327
650 _aBotanical sciences
650 _aPure Sciences
653 _aNutrition
653 _aPlants
700 _aBrown, Bailey E.
700 _aCamp, Arthur F.
700 _aChapman,H.D.
700 _aCooper,H.P.
942 _2ddc
_cBK
999 _c8394
_d8394