Refining Space-time Taxonomies of Collaborative Systems. - Hector B. Antillanca; David A. Fuller 001 (CRIWG, 1996)

Refining temporal criteria to classify collaborative systems. - Hector B. Antillanca; David A. Fuller 001 (Int. J. Hum. Comput. Stud., 1999)

Synchronous versus Asynchronous interaction between users of two collaborative tools for the production of Use Cases. - Carlos M. Fuenzalida; Hector B. Antillanca (CLEI Electron. J., 2010)