Rugh, Roberts <br/><br/>
The frog :  Its reproduction and development / 
by Roberts Rugh  
 - Philadephia :  Blakistons company ,  1951 . 
 - 336 p.  Hard Back 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Embryology<br/>Cleavage<br/>Fertilization
<br/><br/><label>Dewey Class. No.: </label>597.89  / ROB-F