http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Archeological research in the lower Grijalva River region, Tabasco and Chiapas
x, 52 pages : illustrations, maps, plan (part folded) ; 27 cm.
by Roman Pina Chan and Carlos Navarrete.
Papers of the New World Archaeological Foundation ; no. 22