http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Papers of the Society for Developmental Biology, 46th Annual Symposium, Saint Paul, Minn., June 21-24, 1987.
Περιλαμβάνει βιβλιογραφία και ευρετήριο.