000 00327nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aWhetzel, H.H.
245 _aBlight canker of apple trees
260 _aIthaca
_c1906
300 _a99-138 p.
440 _aCornell Agricultural Experime
901 _a19128
942 _cB
_2udc
999 _c2586
_d2586