Improving livestock under tropical and subtropical conditions /    
E dited by Ralph W. Phillips. 
 - Washinton D. C. :   Food and Agriculture  Organization of the Unite d Natiions,   1950. 
 - 55 p. ;    28 cm. 
 - FAO Development paper, agriculture ;   no. 6 .
<br/><br/>  Literature: p. 51-55. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Livestock--------