http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
BioSciences Information Service of Biological Abstracts
Empresa Brasileira de Pesquisa Agropecuária
pt. 1. Bibliography : aero-space and underwater biological effects-genetics and cytogenetics -- pt. 2. Bibliography: gerontology-virology -- pt. 3. Indexes : author index, subject index.