http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1 online resource (105 pages) : illustrations
Francisco Pérez-Soto, Esther Figueroa-Hernández, Lucila Godínez-Montoya, Rebecca A. Pérez-Figueroa (coordinators).
Ciencias de la biología, agronomía y economía. Handbooks ; T-II