Settle, Mark, Abrams, M.J., Conel, J.E., Goetz, A.F.H., and Lang, H.R., 1984, Sensor assessment, Sect. 2, in Paley, H.N., ed., The joint NASA/Geosat test case project, Final report, Part 2, V. 1: American Association of Petroleum Geologists, p. 2.1-2.24.