Nieuwkoop, Pieter D. <br/><br/>
Primordial germ cells in the invertebrates :  from epigenesis to preformation / 
Pieter D. Nieuwkoop, Lien A. Sutasurya. 
 - Cambridge :  Cambridge University Press,  1981. 
 - xii, 258 p. :  ill. ;  24 cm. 
 - Developmental and cell biology  v.10 .
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>0521221897 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Germ cells.<br/>Embryology--Invertebrates.