Wiseman, Frederick Matthew <br/><br/>
Agricultural and historical ecology of The Lake Region of Peten, Guatemala / 
Federick Matthew Wiseman 
 - xii, 189 p. :  il. ;  20 cm. 
<br/><br/> Tesis dirigida por el Dr. Paul S. Martin 
<br/><br/>Tesis (Doctor of Philosophy) .-- University of Arizona. Department of Geosciences, 1978. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGRICULTURA--ASPECTOS AMBIENTALES<br/>BOTANICA ECONOMICA<br/>POLEN--INVESTIGACIONES
<br/><br/><label>Dewey Class. No.: </label>304.2097281  / W57a