White, Michaeal J.D.. <br/><br/>
Modes of speciation /  
by Michaeal J.D. White. 
 - San Franciso :   W. H. freedom and company ,   1978. 
 - 455p. :   ill. ;   22cm .  
<br/><br/> Aseries books in biology 
<br/><br/>Includes bibliographry and index 
<br/><br/><label>ISBN: </label>0716702843  NULL 
<br/><br/><label>Subjects--Index Terms: </label>ORIGEN OF SPECIES 
<br/><br/><label>Dewey Class. No.: </label>576.86  / WHI/M