http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Breeding strategies for maize production improvement in the tropics
international expert consultation, Florence and Bergamo, Italy
edited by A. Brandolini and F. Salamini.
Relazioni e monografie agrarie subtropicali e tropicali. no. 100