"Insect and mite pests of apple and peach in Virginia."; "Bobb, Marvin Lester, 1911-"; "Peach--Diseases and pests--Virginia.", "Apples--Diseases and pests--Virginia."; "Bobb, Marvin Lester, 1911-"; "1973"; "Serial issue. Issued as: Virginia Polytechnic Institute and State University. Extension Division. Publication, 566 (1973:June).
"; ""; "P4522"; "pec"; "Apples--Diseases and pests--Virginia.", "Peach--Diseases and pests--Virginia."; "14256"; .