Roys, Lawrence. <br/><br/>
The engineering knowledge of the maya 

<br/><br/> (En : Contributions to American Archaeology v.2 (5/12), 1934 p. 27-105 
<br/><br/><label>LCCN: </label>53435 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mayas--Cultura.