AT&T Technologies implementation of local area data transport - A hardware and software overview. - David J. Stelte; Henry J. Kafka; W. Joseph Paule (AT&T Bell Lab. Tech. J., 1984)

Evolution of metropolitan area networks to broadband ISDN. - William R. Byrne; George Clapp; Henry J. Kafka; Gottfried W. R. Luderer; Bruce L. Nelson (IEEE Commun. Mag., 1991)