Salaam Yitbarek

Roseman, M., Yitbarek, S. and Greenberg, S. (1993)
The GroupKit Reference Manual. Research report, Department of Computer Science, University of Calgary, Calgary, Alberta, Canada, December. Updated periodically; other versions posted over time available on request. e.g., Earliest version is April, 1993 (titled Groupkit Infrastructure Guide).
PDF Paper
Roseman, M., Yitbarek, S. and Greenberg, S. (1993)
GroupKit Tutorial. Research report, Department of Computer Science, University of Calgary, Calgary, Alberta, Canada, December. Updated periodically; other versions posted over time available on request. e.g., May, 1994 || January, 1995 retitled Groupkit User Manual.
PDF Paper