183 GHz HO Maser Emission Around the Low-Mass Protostar Serpens SMM1DOI: info:10.1088/0004-637X/706/1/L22v. 706IOP PublishingL22–L26
van Kempen, T. A., Wilner, David J., and Gurwell, Mark A. 2009. "183 GHz H2O Maser Emission Around the Low-Mass Protostar Serpens SMM1." The Astrophysical Journal Letters, 706 L22–L26. https://doi.org/10.1088/0004-637X/706/1/L22.