Shellito, Bradeley A. Introduction to geospatial technologies / Bradeley A. Shellito, Youngstown State University. - New York : W.H.Freeman and company, 2012. - xviii, 469 pages [ and other various pages] : illustrations. Includes index. ISBN: 9781429255288 Subjects--Topical Terms: LC Class. No.: G 70.212 / SHE 2012.