Honjo, Tsuyoshi, Kiyoshi Umeki, Darhsiung Wang, Pinan Yang, and Hanching Hsieh. “Landscape Simulation and Visualization on Google Earth”. International Journal of Virtual Reality 10, no. 2 (January 1, 2011): 11–15. Accessed January 28, 2023. https://ijvr.eu/article/view/2806.