Van Sickle, Jan <br/><br/>
Basic GIS Coordinates / 
Jan Van Sickle 
 - Boca Raton,  CRC Press,  2004 
 - 173 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0415302161 9780415302166 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grids (Cartography)--Data processing<br/>Geographic information systems