Watterson R L & Schoenwolf G C <br/><br/>
Laboratory Studies of Chick Pig & Frog Embryos Guide & Atlas of Vertebrate Embryology 

 -  Burges Pub Co, U S A 
 - pp 203;   27*21 
<br/><br/><label>Dewey Class. No.: </label>N84/B15147