JAWAHAR A, and VISHNU CHAKRAVARTHI CH. “ANALYSIS OF EXTENED KALMAN FILTER USING RANGE AND LINE OF SIGHT MEASUREMENT FOR UNDERSEA TARGET LOCALISATION”. Innovare Journal of Sciences, vol. 5, no. 1, Jan. 2017, pp. 12-16, https://journals.innovareacademics.in/index.php/ijs/article/view/15235.