R. Seetan, J. Bible, M. Karavias, W. Seitan, and S. Thangiah "Radiation Hybrid Mapping: A Resampling-based Method for Building High-Resolution Maps", Advances in Science, Technology and Engineering Systems Journal, vol. 2, no. 3, pp. 1390–1400, 2017, doi: 10.25046/aj0203175.