1. Higashino, S., Funaki, M., Hirasawa, N., 2007. Development of Ant-Plane UAVs for Observation and Scientific Missions in Antarctica, AIAA paper, AIAA-2007, 2761.
2. Hirasawa, H., Ozuka, K., Hayashi, M., Funaki, M. Atmospheric observation using an UAV at northeastern Hokkaido on Okhotsk Sea in Baiu season. Tenki, in press (in Japanese).
3. High-Resolution Aeromagnetic Anomaly Map of the Yurihara Area. 1:50,000, Total Intensity Aeromagnetic Maps 40;Okuma,2002