Deguchi, ShujiFujii, TakahiroIzumiura, HideyukiMatsumoto, ShigeruNakada, YWood, Peter RYamamura, I2015-12-130004-6264http://hdl.handle.net/1885/94464During the course of a SiO maser survey of galactic disk IRAS sources at 43 GHz, we found two cases of doubly peaked SiO maser sources in the 40″ half-power beam of the Nobeyama 45-m telescope. The double peaks in the spectra of these sources (IRAS 1801Keywords: Infrared: Sources; Masers; Stars: Long-period variables19992015-12-12