"A Contribution to the Biology of Fomes pini (Thore) Lloyd (Trametes pini [Thore] Fires)."; "Percival, W. C. (Walter Clement), 1901-"; "Fomes pini.", "Conifers--Diseases and pests."; "Percival, W. C. (Walter Clement), 1901-"; "1933"; "

Serial issue. Issued as: Syracuse University. New York State College of Forestry. Bulletin, 6:no.1-b (1933:June), and: Syracuse University. New York State College of Forestry. Technical publication, no. 40.

"; ""; "P16171"; "pec"; "Conifers--Diseases and pests.", "Fomes pini."; "14256"; .