Cohen, Jack. <br/><br/>
Living embryos :  an introduction to the study of animal development / 
by Jack Cohen. 
 - 2nd ed. 
 - Oxford :  Pergamon Press,  1967. 
 - x, 156 p. :  ill. ;  20 cm. 
<br/><br/>Bibliography : p. 137-140. 
<br/><br/><label>LCCN: </label>67-018959 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Embryology.