1983 Correlation of Walnut Husk Fly Activity, Larval Infestation Period, and Harvest Quality of Early-Mid and Late-Maturing Walnut Varieties Hislop, Robert G., William W. Allen. 1983.
1982 Walnut Husk Activity, Its Measurement and Correlation with Quality and Yield on Different Stages of Maturity Allen, William W., Robert G. Hislop. 1982.