C.D.S. - SIMBAD4 rel 1.8 - 2024.05.23CEST08:19:31 Reference query: 1993A&A...273..239V (1 found) ---------------------------------------------- 1993A&A...273..239V Astronomy and Astrophysics, volume 273, 239-246 (1993) The interstellar 12CH/13CH+ ratio towards the Sco OB1 association. VLADILO G., CENTURION M. and CASSOLA C. -Simbad objects: 5