Albrecht, Jochen. Key concepts & techniques in GIS / Key concepts and techniques in geographic information systems Jochen Albrecht. - Los Angeles [i.e. Thousand Oaks, Calif.] : SAGE Publications, 2007. - x, 103 p. ISBN: 1412910153 9781412910156 1412910161 (pbk.) 9781412910163 (pbk.) Subjects--Topical Terms: Geographic information systems. Dewey Class. No.: 910.285 / ALB-K