http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Maize cultivation in northwestern Guatemala
compiled by the Carnegie Institution of Washington from data collected in the field by Raymond Stadelman.
Reprint of the 1940 edition published by Carnegie Institution of Washington.
Contributions to American anthropology and history ; v. 6, no. 33
Carnegie Institution of Washington publication ; 523