1. 1) たとえば，公益社団法人日本雪氷学会北海道支部：雪氷調査法，pp. 2, 38, 187-196，1991. [Hokkaido Branch of the Japanese Society of Snow and Ice: Snow and ice survey method, pp. 2, 38, 187-196, 1991.]
2. 2) 小花和宏之，河島克久，松元高峰，伊豫部勉，大前宏和：小型UAVを用いた積雪分布の3次元計測，雪氷，78巻 5号，pp. 317-328, 2016. [Obanawa, H., Kawashima, K., Matsumoto, T., Iyobe, T. and Ohmae, H.: Three-dimensional measurement of snow distribution using a small UAV, Seppyo, Vol. 78, No. 5, pp. 317-328, 2016.]
3. 3) Nolan, M., Larsen, C. and Sturm, M. : Mapping snow depth from manned aircraft on landscape scales at centimeter resolution using structure-from-motion photogrammetry, The Cryosphere, Vol. 9, pp. 1445-1463, 2015.
4. 4) 井上公，内山庄一郎，鈴木比奈子：自然災害調査研究のためのマルチコプター空撮技術，防災科学研究所研究報告，第81号，pp. 61-98，2014. [Inoue, H. Uchiyama, S. Suzuki, H.: Multicopter Aerial Photography for Natural Disaster Research, Report of Research Institute for Earth Science and Disaster Resilience, 81, pp. 61-98，2014.]
5. 6) 高橋浩司，白川龍生，長沼芳樹，佐野至徳：UAV-SfM測量による防雪設備周囲の雪面形状計測法，土木学会論文集 F3（土木情報学），Vol. 79，No. 9，22-00139, 11pp, 2023, https://doi.org/10.2208/jscejj.22-00139. [Takahashi, K., Shirakawa, T., Naganuma, Y., Sano, Y.: UAV-SfM Surveying method for measuring snow surface profile formed around snow fences, Japanese Journal of JSCE F3 (Civil engineering Informatics), Vol. 79，No. 9，22-00139, 11pp, https://doi.org/10.2208/jscejj.22-00139, 2023.]