Najibi, Nasser, and Reza Arabsheibani. “Snow-Covered Surface Variability and DEM Generation Using Aerial Photogrammetry in Mount Odin, Canada”. Geodesy and Cartography, vol. 39, no. 3, Sept. 2013, pp. 113-20, https://doi.org/10.3846/20296991.2013.823704.