===== First Extragalactic Detection of OH ===== L. Weliachew,\\ **[[https://ui.adsabs.harvard.edu/abs/1971ApJ...167L..47W|Detection of Interstellar OH in Two External Galaxies]]**,\\ //Astrophys. J.// **167**, L47-L52 (1971). Source(s): NGC253, M82\\ Facility: OVRO ---- Contributor(s): S. Thorwirth; 09/2005 ----