http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Asociación Colombiana de Ingenieros Agrónomos
volumes : illustrations ; 24 cm. monthly.
"Organo de la Asociacion Colombiana de Ingenieros Agronomos."
Separately paged supplements accompany some numbers.