000 00294 am a2200121 a 4500
100 1 _aGray, Fred, Hine, Dick
245 1 _aCurly top virus
260 _aTucson
_c1914
300 _a1-4 p.
942 _2udc
_cB
440 _aVirus Arizona Cooperative Extension Services. Q-298
901 _aS52025
999 _c109846
_d109846