Raff, Rudolf A. <br/><br/>
Embryos, genes, and evolution / 
Rudolf A. Raff and Thomas C. Kaufman illustrated by Elizabeth C. Raff. 
 - New York :  MacMillan,  1983. 
 - 395 p. :  ill., port ;  27 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolution.<br/>Embryology.<br/>Developmental genetics.