Patel , A.N. . Remote Sensing: Principles and Applications / Textual Documents A.N.Patel & Surendra Singh. - 1st ed. / - Jodhpur : Scinetific Publishers , 1992. - 161p. : ill ; 22cm . Subjects--Index Terms: Remote Sensing techniques G-Technology Dewey Class. No.: 621.3 / pa 27 Re