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Item North Dakota Potato Wilt Survey - 1977(North Dakota State University, 1977) Gudmestad, Neil C.; Zink, Richard; Otazu, VictorItem Goldrush - A New Russet Potato Variety(North Dakota State University, 1993) Thopson-Johns, A.; Gudmestad, N.C.; Secor, Gary A.; Farnsworth, B.L.; Johansen, R.H.