Jeyaram, G., V. Vidhya, and ISHWARYA K.R. “UNSUPERVISED CHANGE DETECTION FOR MULTISPECTRAL IMAGES”. Innovare Journal of Engineering and Technology, vol. 1, no. 1, Apr. 2013, pp. 8-11, https://journals.innovareacademics.in/index.php/ijet/article/view/65.