1. Andrea Trevino. (2016) Introduction to K-means Clustering Retrieved from https://www.datascience.com/blog/k-means-clustering
2. Bechtel, B., Ringeler, A. and Böhner, J. (2008) Segmentation for Object Extraction of Trees using MATLAB and SAGA. SAGA-Seconds Out, Hamburger Beiträge Zur Physischen Geographie Und Landschaftsökologie. Univ. Hamburg, Inst. für Geographie, pp.1–12.
3. Bist, K. and Sinha, A. (1980) Some observations on the geological and structural setup of Okhimath area in Garhwal Himalaya. Himalayan Geol., v.10, pp.467–475.
4. Blaschke, T. (2010) Object based image analysis for remote sensing. ISPRS Jour. Photogrammetry and Remote Sensing, v.65(1), pp.2–16.
5. Böhner, J., Selige, T. and Ringeler, A. (2006) Image segmentation using representativeness analysis and region growing. Göttinger Geographische Abhandlungen v.115, pp.29–38.