C. H. Marcussen, Trends in European Internet Distribution -of Travel and Tourism Services, 2009.

P. Selvidge, How Usable are the Airline Websites? Usability News 1, 1999.

E. Crichton and A. J. Frew, Usability of Information and Reservations Systems: Theory or Practice?, Information and Communication Technologies in Tourism, pp.408-417, 2000.
DOI : 10.1007/978-3-7091-6291-0_37

C. Chariton and M. Choi, Enhancing usability of flight and fare search functions for airline and travel Web sites, International Conference on Information Technology: Coding and Computing, 2004. Proceedings. ITCC 2004., pp.320-325, 2004.
DOI : 10.1109/ITCC.2004.1286473

A. Malizia, Adding Flexibility to B2C Booking Systems Using a Virtual Intermediate Travel Agent, 2005 IEEE Symposium on Visual Languages and Human-Centric Computing (VL/HCC'05), pp.337-338, 2005.
DOI : 10.1109/VLHCC.2005.16

Q. Zhou and R. Desantis, Usability Issues in City Tourism Website Design: A Content Analysis, 2005 IEEE International Professional Communication Conference Proceedings, pp.789-796, 2005.

M. Essawy, Testing the Usability of Hotel Websites: The Springboard for Customer Relationship Building, Information Technology & Tourism, vol.8, issue.1, pp.47-70, 2006.
DOI : 10.3727/109830506778193878

T. T. Lituchy and R. A. Barra, International issues of the design and usage of websites for e-commerce: Hotel and airline examples, Journal of Engineering and Technology Management, vol.25, issue.1-2, pp.93-111, 2008.
DOI : 10.1016/j.jengtecman.2008.01.004

G. F. Knolmayer and L. E. Helfenstein, Usability Aspects of Ensuring Temporal Integrity Constraints: A Critical Appraisal, Computational Intelligence Proceedings of the 5th International Conference on Human-Computer Interaction, pp.271-278, 2010.

F. Grandi, Introducing an annotated bibliography on temporal and evolution aspects in the World Wide Web, ACM SIGMOD Record, vol.33, issue.2, 2003.
DOI : 10.1145/1024694.1024709

F. Grandi, Introducing an annotated bibliography on temporal and evolution aspects in the World Wide Web, ACM SIGMOD Record, vol.33, issue.2, pp.84-86, 2004.
DOI : 10.1145/1024694.1024709

C. S. Jensen and R. T. Snodgrass, Temporal Database Entries for the Springer Encyclopedia of Database Systems, 2008.

L. Liu and T. M. Özsu, Encyclopedia of Database Systems, 2009.

J. Fabre and S. Howard, Introduction to the Special Issue on Temporal Aspects of Usability, Interacting with Computers, vol.11, pp.1-7, 1998.

A. Bainbridge, Hotel Date Entry: Design & Usability Report, Travel UCD, 2002.

S. Lennartz, Online Calendars and Date Pickers Smashing Magazine, 2007.

M. Fowler, Temporal Patterns, 2005.

F. Zwicky, Morphological Astronomy. The Observatory, pp.121-143, 1948.
DOI : 10.1007/978-3-642-87544-1

F. Zwicky, Discovery, Invention, Research Through the Morphological Approach, 1969.

G. Knolmayer and A. Borean, A Morphological Box for Handling Temporal Data in B2C Systems, Software Services for e-World, Proceedings of the 10th IFIP Conference on e-Business, e-Services, and e-Society, pp.215-225, 2010.
DOI : 10.1007/978-3-642-16283-1_25

URL : https://hal.archives-ouvertes.fr/hal-01055018

R. A. Virzi, Refining the Test Phase of Usability Evaluation: How Many Subjects Is Enough?, Human Factors: The Journal of the Human Factors and Ergonomics Society, vol.248, issue.4, pp.457-468, 1992.
DOI : 10.1177/154193129003400411

J. Nielsen, How to Conduct a Heuristic Evaluation (no date) http

G. Cockton, A. Woolrych, and D. Lavery, Inspection-Based Evaluations The Human-Computer Interaction Handbook, pp.1171-1208, 2008.

J. Nielsen, Designing Web Usability, 2000.

J. Nielsen and M. Tahir, Homepage Usability. 50 Websites Deconstructed, p.31, 2002.

J. Hanna, Date & Time Formats on the Web (no date) http

J. Bargas-avila and G. Oberholzer, Online form validation: Don't show errors right away, Human-Computer Interaction INTER- ACT'03, pp.848-851, 2003.
DOI : 10.1016/j.intcom.2007.01.003

J. Nielsen and H. Loranger, Prioritizing Web Usability, 2006.