Jordan, E., E. Araya, P. Hofner, M. Mateen, and S. Kurtz. “Haystack Observations of CS and CH3OH Toward Star Forming Regions”. Revista Mexicana De Astronomía Y Astrofísica, vol. 44, no. 1, June 2012, pp. 45-55, https://www.revistas.unam.mx/index.php/revmexaa/article/view/23731.