<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">Halasz, Frank G.</hi> (2001): Reflections on NoteCards: Seven Issues for the Next Generation of Hypermedia Systems, in: <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic">ACM Journal of Computer Documentation</hi> 25, 3: 71–87.