Peter Jensen; Kristen Nygaard; The BETA project (ISSN 9788253900650 ), 1976. Rapport

Petter Håndlykken; Kristen Nygaard; System description and the Delta language 1975. Rapport

Håvard Hegna; Ole Johan Lund; Kristen Nygaard; User's experience with the Simula language , 1968. Rapport

Erik Mohn; THE JOINT DISTRIBUTION OF TWO STUDENTIZED REGRESSION COEFFICIENTS , 1967. Rapport