Martti Hallikainen, Juha Hyyppä, Juhani Haapenen, Teemu Tares, Pekka Ahola, Jouni Pulliainen, Martti Toikka. A helicopter-borne eight-channel ranging scatterometer for remote sensing. I. System description. IEEE T. Geoscience and Remote Sensing, 31(1):161-169, 1993. [doi]
Abstract is missing.