Alva Alva, Walter <br/><br/>
Discovering the new world's richest unlooted tomb / 
by Walter Alva; photographs by Bill Ballenberg 
 - [s.l.]:  National Geographic Society,  1988 
 - 44 p.  il. 
 - Fotocopiado .
<br/><br/> Separata de la revista National Geographic Society, oct. 1988 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ARQUEOLOGIA<br/>MOCHICA<br/>SEŅOR DE SIPAN