VSAT-Enhanced ISDN: Architectures and Implementation. - Abdul Hamid Rana; Alain C. Briançon; William A. Check; Carmel Ortiz (IEEE J. Sel. Areas Commun., 1992)

Low Earth Orbit Satellites Provide Continuous Enterprise Data Connectivity. - Sean Batir; Nicholas Humann; Carmel Ortiz; David Bettinger; Susanne Heger; Bennie Vorster (CoRR, 2020)