http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
the role of a critical resource in the development of Maya civilization
xxiii, 366 leaves : illustrations, maps.
Microfiche. Ann Arbor, Mich. : University Microfilms International, 1980. 5 microfiches ; 11 x 15 cm.