Seventy-ninth Annual Report of the Pennsylvania Agricultural Experiment Station, July 1, 1965-June 30, 1966

Auteur : Clarence Earl Trotter, G. W. Gorsline, Hays Bentley Gamble, Pennsylvania State University. Agricultural Experiment Station, Reed D. Taylor, Wayne A. Schutjer

Date de publication : 1967

Éditeur : Pennsylvania State University, College of Agriculture, Agricultural Experiment Station

Nombre de pages : 53