1982 Epidemiology of Walnut Blight Teviotdale, Beth L., Milt Schroth, Peter Lindgren, Bill Olson, Steve Sibbett. 1982.
1981 Epidemiology of Walnut Blight Teviotdale, Beth L., Milt Schroth, Peter Lindgren, Bill Olson, Steve Sibbett. 1981.
1980 Walnut Blight Control Studies Olson, Bill, Larry Fitch, Beth Teviotdale, Peter Lindgren, Wilbur Reil, Dennis Harper. 1980.