Waddington, C. H.  1905-1975. <br/><br/>
Principles of development and differentiation / 
[by] C. H. Waddington. 
 - New York :  Macmillan,  c1966 [Reprinted 1967]. 
 - x, 115 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliography  and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Embryology.<br/>Developmental genetics.<br/>Cytology.
<br/><br/><label>Dewey Class. No.: </label>571.86  / WAP 1967