Նորմալ դիտում MARC դիտում ISBD Դիտում

State agricultural experiment stations : A history of research policy and procedure / H.C. Knoblauch, E.M. Law, W.P. Meyer,. - Washington : United States Department of Agriculture, 1962. - vi, 262 p. : ill. ; 24 cm.

Includes references and index

Subjects--Topical Terms:
Agriculture