Lo, C.P. & Yeung, A.K.W. Concepts and Techniques of Geographic Information Systems - 2nd Ed. - South Asia Pearson India Education Services Pvt. Ltd. 2017 - xii, 531 p. 20 cm. Text in English ISBN: 9789332581883 Subjects--Facted Index Terms: COMP Dewey Class. No.: 621.3678 / LO,