http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
NATO Advanced Study Institute (1977 : Ghent, Belgium)
edited by L. Fiermans, J. Vennik, and W. Dekeyser.
"Based on the lectures presented at the NATO Advanced Study Institute held in Ghent, Belgium, August 29-September 9, 1977."
Περιλαμβάνει βιβλιογραφικές παραπομπές και ευρετήριο.