1983 Control of Codling Moth on Walnuts with a Granulosis Virus Vail, P.V., W. Barnett, D.K. Cowan, S.S. Collier. 1983.
1982 Control of Codling Moth on Walnuts with a Granulosis Virus Vail, P.V., D. Cowan, W. Barnett. 1982.