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  ______    ______    ______    ______   _____    
 /_   _//  /_   _//  /_____//  /_   _// |  __ \\  
 `-| |,-    -| ||-   `____ `    -| ||-  | |  \ || 
   | ||     _| ||_   /___//     _| ||_  | |__/ || 
   |_||    /_____//  `__ `     /_____// |_____//  
   `-`'    `-----`   /_//      `-----`   -----`   
                     `-`

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Text this: Geographic information analysis / David O'Sullivan and David J. Unwin.