50th Annual Report of the Pennsylvania Agricultural Experiment Station for the Fiscal Year Ended June 30, 1937

Auteur : Arthur Wesley Clyde, Chester Distad Dahle, Donald Elisha Harding Frear, Howard Jacob Bonser, Kenneth G. Beachley, Pennsylvania State College. Agricultural Experiment Station, Robert Bain Donaldson, Thew Delbert Johnson, Thomas Byron Keith, Walter Spurgeon Beach

Date de publication : 1937

Éditeur : Pennsylvania State College, School of Agriculture and Experiment Station

Nombre de pages : 29