1. 1) C4ADS: Above Us Only Stars [PDF File]. Retrieved from https://www.c4reports.org/aboveusonlystars, 2019, pp34.（最終アクセス2020/11/30）
2. 2) Roussel, N., Ramillie, G. L., Frappart, F. and Desjardins, C.: Simulations of Direct and Reflected Waves Trajectories for in Situ GNSS-R Experiments, Geoscientific Model Development, 7 (2013), pp. 2261-2279.
3. 3) De Wilde, W., Sleewaegen, J.-M., Bougard, B., Cuypers, G., Popugaev, A., Landmann, M., Schirmer, C., Roca, D. E., López-Salcedo, J. A. and Granados, G. S.: Authentication by Polarization: A Powerful Anti-Spoofing Method, Proceedings of the 31st International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+2018), Miami, Florida, 2018, pp. 3643-3658.
4. 4) Ester, M., Kriegel, H., Sander, J. and Xu, X.: A Density-based Algorithm for Discovering Clusters in Large Spatial Databases with Noise, Proceedings of the Second International Conference on Knowledge Discovery and Data Mining (KDD-96), 1996, pp. 226-231.
5. 5) 小林海斗，久保信：GNSSコンパスの原理を利用した安価なスプーフィング検出装置の開発，2020年電子情報通信学会総合大会，広島，B-2-3, 2020.