Heterochronyin evolution  a multidisciplinary approach 
ed. by Michael L. Mckinney. 
 - New York  Plenum Press  1988 
 - xvii, 348p. 
 - Topics in Geobiology  V.7 .
<br/><br/><label>ISBN: </label>0306429470 
<br/><br/><label>Dewey Class. No.: </label>575  / N883