ISABEL - Experiment Distributed Cooperative Work Application over Broadband Networks. - Tomás de Miguel; Santiago Pavón; Joaquín Salvachúa; Juan Quemada; Pedro Luis Chas Alonso; Javier Fernandez-Amigo; Carlos M. Acuña; Lidia Rodriguez Yamamoto; Vasco Lagarto; Joao Vastos (IWACA, 1994)