Stewart, Alban. <br/><br/>
Further observations on the origin of the Galapagos Islands / 
Alban Stewart. 
 -  1915. 
 - 192-200 p. 
<br/><br/><br/>Inglés 
<br/><br/><label>ISBN: </label> Normal 
<br/><br/><label>Dewey Class. No.: </label>508