Bandara, Madduma Traversing no man's land - Colombo Godage International 2009 - xlvii, 496p. 26cm. ISBN: 9789553015266 Subjects--Topical Terms: GEODETIC SURVEYINGMATHEMATICAL GEOGRAPHYTRAVERSINGTRIANGULATIONTRILATERATION Dewey Class. No.: 526.33 / BAN