00570nam a2200169Ia 4500001001000000003000500010008004100015010001100056040000900067100002000076245013400096260004900230300000900279440004400288650005100332700001700383Para_4794CHAP220125s1940    xx            000 0 und d  a203170  cCHAP  aBrentzel, W. E.  aBacterial ring rot of the potato :b investigation on possible dissemination by grasshoppers  /c W. E. Brentzel, and J. A. Munro  aFargo  :b North Dakota Agricultural College  a8 p.  aNorth Dakota. Agr. Exp. Sta. Bull.; 295  aPapa x Enfermedades por bacterias  Chapulines  aMunro, J. A.