Downs, Lloyd Eugene <br/><br/>
Laboratory embryology of the chick 
Lloyd E. Downs. 
 - 2d ed. 
 - Dubuque, Iowa  W. C. Brown  c1972 
 - ix, 95 p.  illus. 
 - Biology series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chickens--Embryos.<br/>Embryology--Birds<br/>Embryology--Laboratory manuals.