Program construction with abstract notions in ELAN. Programmerzeugung mit abstrakten Begriffen in ELAN. (English)
Computers in education. Pt. 1. Proceedings. Computer im Unterricht. T. 1. Proceedings. Editor(s): Lewis, B.; Tagg, D. International Federation for Information Processing (IFIP), Geneva (Switzerland); United Nations Educational, Scientific and Cultural Organization, 75 - Paris (France); Intergovernmental Bureau for Informatics, Rome (Italy) Amsterdam, Netherlands: North-Holland. 1981. p. 43-48 of 448 p. Preprints. Participants edition. Vorabdrucke. Teilnehmerexemplar. Conference: 3. World Conference on Computers in Education (WCCE-3), Lausanne (Switzerland), 27-31 Jul 1981