C.D.S. - SIMBAD4 rel 1.8 - 2024.05.18CEST12:00:44 Reference query: 2004A&A...415.1065H (1 found) ---------------------------------------------- 2004A&A...415.1065H 10.1051/0004-6361:20031668 Astronomy and Astrophysics, volume 415, 1065-1072 (2004/3-1) The NH_3__/_N_2__H_^+^^a^bundance ratio in dense cores. HOTZEL S., HARJU J. and WALMSLEY C.M. -Files: (abstract) -Simbad objects: 7