http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Control technology in elementary education
NATO Advanced Research Workshop on Control Technology in Elementary Education (1992 : Liege, Belgium)
Proceedings of the NATO Advanced Research Workshop on Control Technology in Elementary Education, held in Liege, Belgium, November 17-21, 1992
Περιλαμβάνει βιβλιογραφικές παραπομπές και ευρετήριο.