LAGOVirtual: A Collaborative Environment for the Large Aperture GRB Observatory - Camacho, R.; Chacón, Reinaldo; Díaz, Gilberto; Guada, C.; Hamar, Vanessa; Hoeger, Herbert; Melfo, A.; Núñez, Luis A.; Pérez, Y.; Quintero, Carlos; Rosales, M.; Torrens, Rodrigo (CoRR, 2009)