Urata, Takeshi; Urakawa, Seitarō; Okumura, Shin'ichirō; Nishiyama, Kouta (1994). "美星スペースガードセンターにおける小惑星観測" [Asteroid observation at Bisei Space Guard Center]. Autumn 2007 Proceedings. 2 (87). contributors include Tsuyoshi Sakamoto, Atsuo Asami, Tuguyasu Hashimoto, Noritsugu Takahashi, Makoto Yoshikawa, sponsored by Japan Spaceguard Association, Japan Aerospace Exploration Agency (JAXA): 67–72. doi:10.14909/jsps.2007f.0.109.0.
harvard.edu
ui.adsabs.harvard.edu
Kosai, H.; Urata, T. & Nakamura, T. "Activities of Asteroid Studies by Amateur Astronomers in Japan". Astronomical Society of the Pacific Conference Series. Astronomical Society of the Pacific Conference Series. Seventy-five (75) years of Hirayama asteroid families: The role of collisions in the solar system history. Vol. 63. Sagamihara near Tokyo, Japan; San Francisco. Bibcode:1994ASPC...63..297K.
Urata, Takeshi (1966). "キルストン彗星の写真" [Kilston comet on photographs]. 天界 Tenkai (The Heavens) (in Japanese). 47 (497): 275–276. ISSN0287-6906.
Urata, Takeshi (1979). "1970LDの近日点軌道も役立ちました" [Data sourced from the perihelion orbital of 1970LD]. 天界 Tenkai (The Heavens) (in Japanese). 60 (652): 235–237.
Hasegawa, Ichirō; Urata, Takeshi (1980). "小惑星の絶対光度の統計" [The statistics of asteroid absolute luminosity]. 天界 Tenkai (The Heavens) (in Japanese). 60 (655): 324–326.
Urata, Takeshi (1980). "ランダム・ドット・ステレオグラムと小惑星" [Asteroid and random dot stereogram]. 天界 Tenkai (The Heavens) (in Japanese). 74 (818): 324–326.
Urata, Takeshi (1994). "私のCCD観測事始め" [Why I finally applied CCD to observation]. 天文月報 Tenmon Geppō (in Japanese). 87 (2): 67–72.
worldcat.org
Urata, Takeshi (1966). "キルストン彗星の写真" [Kilston comet on photographs]. 天界 Tenkai (The Heavens) (in Japanese). 47 (497): 275–276. ISSN0287-6906.
