Nieuwkoop, Peter Dirk. <br/><br/>
Primordial germ cells in the chordates :  embryogenesis and phylogenesis / 
Pieter D. Nieuwkoop, Lien A. Sutasurya. 
 - Cambridge :  Cambridge University Press,  1979. 
 - 187 p. ;  24 cm. 
 - Developmental and cell biology series  7 .
<br/><br/> Includes index. 
<br/><br/>Bibliography: p.149-174. 
<br/><br/><label>ISBN: </label>0521223032 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Germ cells.<br/>Embryology--Chordata.