Lettevall, E., Richter, C., Jaquet, N., Slooten, E., Dawson, S., Whitehead, H., Cristal, J., McCall Howard, P. <br/><br/>
Social structure and residency in aggregations of male sperm whales.   

 -  2002 
 - 1189-1196.  Artículo 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label> Normal 
<br/><br/><label>Subjects--Index Terms: </label>Social structure and residency in aggregations of male sperm whales.  Whales--Galápagos  Ballenas--Galápagos 
<br/><br/><label>Dewey Class. No.: </label>599.547  599.547