http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
proceedings of the IVth International Congress on Animal Reproduction
International Congress on Animal Reproduction and Artificial Insemination 1961 : The Hague)
V.1. Plenary sessions and membership of congress.--v.2. Physiology.--v.3. Pathology.--v.4. Artificial insemination.