C. Henkel, T. Jacq, R. Mauersberger, K. M. Menten, H. Steppe,
The detection of extragalactic methanol,
Astron Astrophys. 188, L1-L4 (1987).
Source(s): NGC253, IC342, and possibly towards NGC6946
Facility: IRAM 30m
Contributor(s): S. Thorwirth; 09/2005