Rugh, Roberts. <br/><br/>
The frog :  its reproduction and development / 
Roberts Rugh. 
 - New York :  Mc Graw-hill Book Company,  c1951. 
 - x, 336 pages :  Illustrations ;  24 cm. 
<br/><br/>Bibliography: p. 311-320. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Embryology--Amphibians.<br/>Frogs.
<br/><br/><label>LC Class. No.: </label>QL959  / .R86 
<br/><br/><label>Dewey Class. No.: </label>597.8