Pillsbury, Joanne. <br/><br/>
The thorny oyster and the originsof empire :   Implications of recently uncovered spondylus imagery from chan chan, Peru. 

 - Washington, DC-US :   Society for American Archaeology,   1996. 
 - p. 313-340 :   il 
 - trimestral 
 - Vol.7, no.4(Dec.1996) 
 - Latin American Antiquity ;   vol.7, no.4 .
 - Estados Unidos.   Society for American Archaeology. .