Krygier, John Making maps : a visual guide to map design for GIS / John Krygier and Denis Wood - 2nd. ed. - New York : The Guilford, 2011 - xxi, 256 p. : ill., maps ; 26 cm. Includes bibliographical references and index ISBN: 9781609181666 Subjects--Topical Terms: Cartografía Sistemas de información geográfica LC Class. No.: GA 105.3 / K79 2011