WASET
    Ziad Abdeldayem and  Jakub Markiewicz and  Kunal Kansara and  Laura Edwards,  Extracting Terrain Points from Airborne Laser Scanning Data in Densely Forested Areas.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2020, vol. 162(6). 140 - 144
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10011281.