Guillet, David. <br/><br/>
Terracing and irrigation in the Peruvian Highlands'. 

 - Chicago-US :   Department of Human Sciences,   1987. 
 - p. 409-430 :   il. 
 - Trimestral 
 - Vol.28, no. 4 (Aug-Oct. 1987) 
 - Current Anthropolgy ;   vol. 28, no. 4 .
 - Estados Unidos.   The University of Chicago Press. .
<br/><br/><br/>Inglés.