Pradhan, M.P., Ghose, M.K. and Mittal, G. 2013. EFFICIENT TECHNIQUE FOR AUTOMATIC EXTRACTION AND IDENTIFICATION OF ELEVATION FROM A REFERENCE IMAGE. INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY. 4, 1 (Feb. 2013), 162–171. DOI:https://doi.org/10.24297/ijct.v4i1c.3117.