TY  - BOOK
AU  - Brentzel, W. E.
AU  - Munro, J. A.
TI  - Bacterial ring rot of the potato: investigation on possible dissemination by grasshoppers  
CY  - Fargo
PB  -  North Dakota Agricultural College
KW  - Papa
KW  -  Enfermedades por bacterias  Chapulines
ER  -