Peterson, D.L., J.A. Brass, W.H. Smith, G. Langford, S. Wegener, S.E. Dunagan, P.D. Hammer, and K. Snook (2003), Platform options of free-flying satellites, UAVs or the International Space Station for remote sensing assessment of the littoral zone, Int. J. Remote Sensing, 24, 2785-2804.