- TOOLS 1999: 31st International Conference on Technology of Object-Oriented Languages and Systems, 22-25 September 1999, Nanjing, China. IEEE Computer Society, 1999.
- TOOLS Pacific 1999: 32nd International Conference on Technology of Object-Oriented Languages and Systems, 22-25 November 1999, Melbourne, Australia. IEEE Computer Society, 1999.
- Donald Firesmith, Richard Riehle, Gilda Pour, Bertrand Meyer, editors, TOOLS 1999: 30th International Conference on Technology of Object-Oriented Languages and Systems, Delivering Quality Software - The Way Ahead, 1-5 August 1999, Santa Barbara, CA, USA. IEEE Computer Society, 1999.
- TOOLS Europe 1999: 29th International Conference on Technology of Object-Oriented Languages and Systems, 7-10 June 1999, Nancy, France. IEEE Computer Society, 1999.