David Sheres; Remote and synoptic water-wave measurements by aerial photography: A model, experimental results, and an application, IEEE J. Oceanic Eng., vol. 6, pp. 63 - 69, April 1981.
David Sheres; Remote and Synoptic Water Wave Measurements by Aerial Photography: A Model, Experimental Results and an Application, Proceedings of MTS/IEEE OCEANS'79 Conference, pp. 614 - 622, September 1979.