Emission spectroscopy of the B2Σ+ → X2Σ+ system of 12C18O+ - The B2Σ+→ X2Σ+ system of 12C18O+ W. Szajna Eur. Phys. J. D, 41 2 (2007) 261-265 Published online: 27 September 2006 DOI: 10.1140/epjd/e2006-00219-7