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090 _aPA FOLLETO 1043
100 _aJacob, H. E
_9167487
245 _aPowdery mildew of the grape and its control in California /
_c H. E. Jacob
260 _aBerkeley, Cal. :
_b University of California
300 _a20 p.
440 _aCalifornia Agr. Ext. Serv. Circular; 31
_9167488
650 _aUva
_x Enfermedades
_9117126
901 _aPA FOLLETO 1043
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