Evans, Susan T. <br/><br/>
The productivity of maguey terrace agriculture in central Mexico during the aztec period. 

 - Washington, DC-US :   Society for American Archaeology,   1990. 
 - p. 117-132 :   il 
 - trimestral 
 - Vol.1, no.2(Jun.1990) 
 - Latin American Antiquity ;   vol.1,no.2 .
 - Estados Unidos.   Society for American Archaeology. .