R. Mauersberger, C. Henkel, C. M. Walmsley, L. J. Sage, and T. Wiklind, T.
Dense gas in nearby galaxies. V - Multilevel studies of CH<sub>3</sub>CCH and CH<sub>3</sub>CN,
Astron. Astrophys. 247, 307-314 (1991).
Source(s): NGC253
Facility: IRAM 30m
Contributor(s): S. Thorwirth; 09/2005