Van Sickle, Jan Basic GIS coordinates / Jan van Sickle - 2nd ed. - Boca Raton, FL : CRC, 2010 - xi, 188 p. : ill. ; 25 cm. ISBN: 9781420092318 1420092316 Subjects--Topical Terms: Grids (Cartography) --Data processingGeographic information systems LC Class. No.: GA116 / .V38 2010