An upper limit to the interstellar abundance in translucent cloudsG. Galazutdinov, A. Pętlewski, F. Musaev, C. Moutou, G. Lo Curto and J. KrełowskiA&A, 395 1 (2002) 223-226DOI: https://doi.org/10.1051/0004-6361:20021237
abundance in translucent clouds abundance in translucent clouds