Halasz, Frank G. (2001). “Reflections on NoteCards: seven issues for the next generation of hypermedia systems”. ACM Journal of Computer Documentation25 (3): 71–87. doi:10.1145/507317.507321.
Halasz, Frank G.; Thomas P. Moran; Randall H. Trigg (1987). "Notecards in a nutshell". Proceedings of the SIGCHI/GI conference on Human factors in computing systems and graphics interface. Toronto, Ontario, Canada: ACM Press. pp. 45–52. doi:10.1145/29933.30859. ISBN0-89791-213-6。
