http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
C. A. Agardh. Species algarum rite cognitae
cum synonymis, differentiis specificis et descriptionibus succinctis. [Gryphiswaldiae, sumtibus E. Mavritti, 1823-28]