1. Agosti, M., Gradenigo, G. & Marchetti, P.G.: Architecture and Functions for a Conceptual Interface to very large Online Bibliographic Collections. In: Intelligent Text and Image Handling, RIAO 91, Barcelona, Spain, April 1991
2. D. P. Anderson, G. Homsy: A Continuous Media I/O Server and Its Synchronization Mechanism. Computer, Vol. 24, No. 10, October 1991; pp. 51–57
3. C. Batini, M. Lenzerini, and S. V. Navathe: A Comparative Analysis of Methodologies for Database Schema Integration. ACM Computing Surveys, Vol. 18; No. 4, 1986; pp. 323–364
4. Belkin, N.J., Cool, C., Stein, A. & Thiel, U.: Scripts for Information Seeking Dialogues. Paper presented at: AAAI Spring Symposium on Case-Based Reasoning and Information Retrieval, Stanford, California, March 23–25, 1993.
5. Belkin, N.J., Marchetti, P.G. & Cool, C.: BRAQUE: Design of an Interface to Support User Interaction in Information Retrieval. In: Information Processing & Management. Special Issue on Hypertext 29(4).