000 00414nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aStiles, W.C., Ritter, C.M.
245 _aPhotosynthetic and growth responses of apple trees to growth regulating chemical
260 _aPennsylvania
260 _c1960
300 _a14 p.
440 _aNo. 673; Pennsylvania Agricult
901 _pS3016
942 _cB
_2udc
999 _c129673
_d129673