by Peterson, D.L, Wolford, S.D
Published in Applied engineering in agriculture (01.09.2003)

by Peterson, D.L, Whiting, M.D, Wolford, S.D
Published in Applied engineering in agriculture (01.09.2003)

by Peterson, D.L, Wolford, S.D
Published in United States Department of Agriculture patents (2003)

by Peterson, D.L, Wolford, S.D
Published in United States Department of Agriculture patents (2002)

by Peterson, D.L, Bennedsen, B.S, Anger, W.C, Wolford, S.D
Published in Transactions of the ASAE (1999)

by Peterson, D.L. (USDA-ARS, Appalachian Fruit Research Station, Kearneysville, WV.), Wolford, S.D, Timm, E.J, Takeda, F
Published in Transactions of the ASAE (01.05.1997)

by Peterson, D.L. (USDA, ARS, Appalachian Fruit Research Station, Kearneyville, WV.), Miller, S.S, Wolford, S.D
Published in Transactions of the ASAE (01.05.1997)