"Report, comparative measurement of productivity in" 

 -  1965 
<br/><br/><label>Standard No.: </label>107868 
<br/><br/><label>Source: </label> Reports 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animal Husbandry
<br/><br/><label>Dewey Class. No.: </label>"X9(M13):89P.5.N6, K5"