Available energy of timothy hay, investigations with respiration calorimeter, in cooperation with Pennsylvania State College agricultural experiment station
Contributors: Armsby, Henry Prentiss, 1853-1921.; Fries, J. August.
Publisher: U.S. G.P.O.
Published: 1903
Place of publication: [Washington, D.C.]
Format: Microform
Subjects: United States. Bureau of Animal Industry -- Public records.; Timothy-grass.