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By "Pennsylvania. Agricultural experiment station, Statee college. [from old catalog] "
Energy values of red clover hay and maize meal. Investigations with a respiration calorimeter, in co-operation with the Pennsylvania state college agricultural experiment station.
By: Armsby, Henry Prentiss, - Fries, Jöns August, - Pennsylvania.
Publication info: Washington,Govt. print. off.,1905.
Contributed by: Library of Congress