Diseases of sheep / 
edited by I.D. Aitken. 
 - 4th ed. 
 - Oxford :  Blackwell,  c2007. 
 - xi, 610 p. [16] p. of col. plates :  ill. ;  26 cm. 
<br/><br/> Previous ed.: Oxford: Blackwell Science, 2000. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>978-14051-3414-9 (hbk.) : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sheep--Diseases.