Saito, Hiro; Tachihara, Kengo; Onishi, Toshikazu; Yamaguchi, Nobuyuki; Mizuno, Norikazu; Mizuno, Akira; Ogawa, Hideo; Fukui, Yasuo, A Study of the Molecular Cloud toward the H {II} Regions S35 and S37 with NANTEN, in Publications of the Astronomical Society of Japan, vol. 51, dicembre 1999, pp. 819-835. URL consultato il 22 agosto 2011.