Langley, J. A. <br/><br/>
Seasonality of milk production and milk yields from grazing 

 - London :   University of Exeter,  1965. 
 - 35p.  : ill.   ; 25cm.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Milk<br/> Milk supply
<br/><br/><label>LC Class. No.: </label>PAM SF203.L3