@article{weko_1017_1, author = "萩原,幸男", title = "GPSを用いた重力計測のためのノイマン境界値問題の物理測地学", journal = "防災科学技術研究所 研究報告", year = "1991", volume = "48", number = "", pages = "1--26", month = "oct" }