Mustafa S. Fawad and  Wang Wencheng and  Wu Enhua,  LOD Exploitation and Fast Silhouette Detection for Shadow Volumes.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2008, vol. 14(2). 548 - 554
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10205.