Butter making during hay feeding season :   50-45-40 method  / 
G. H. Wilster... [et.al.] 
 - Corvallis  :   Oregon State College 
 - 48 p. 
 - Oregon. Agr. Exp. Sta. Bull.;414 .
<br/><br/><label>LCCN: </label>203165 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mantequilla  Productos lácteos -- Procesado