References
Massonnet, D. & Rabaute, T., 1993- Radar Interferometry: limits and potential, IEEE Transactions Geoscience and Remote Sensing, v.31, p.455-464.
Gabriel, A. K., Goldstein, R. M. & Zebker, H. A., 1989- Mapping small elevation changes over large areas: differential radar interferometry, Journal of Geophys Research, v. 94 (B7), p. 9183-9191.