Tian, Ke, Mamoru Endo, Mayu Urata, Katsuhiro Mouri, and Takami Yasuda. 2014. “Lunar Observation Support System Using Smartphone AR for Astronomy Education”. International Journal of Interactive Mobile Technologies (iJIM) 8 (1):pp. 32-39. https://doi.org/10.3991/ijim.v8i1.3457.