C. Henkel, P. Schilke, and R. Mauersberger,
Molecules in external galaxies - The detection of CN, C2H, and HNC, and the tentative detection of HC3N,
Astron. Astrophys. 201, L23-L26 (1988).
Source(s): IC342
Facility: IRAM 30m
R. Mauersberger and C. Henkel
Dense gas in nearby galaxies. IV - The detection of N2H+, SiO, H13CO+, H13CN, and HN13C,
Astron. Astrophys. 245, 457-466 (1991).
Source(s): NGC253
Facility: IRAM 30m