Urbanization in the Americas : the background in comparative perspective : proceedings of section VII, the process of urbanization, International Congress of Americanists, Vancouver, August 11-17, 1979 / edited by Woodrow Borah, Jorge Hardoy, and Gilbert A. Stelter.  Ottawa : History Division, National Museum of Man, 1980. viii, 155 pages : illustrations, maps ; 28 cm.