Automatic absorption lineshape recording device applied to the J: 2 → 3 OCS gas transition D. Breche, B. Lamalle, F. Truchetet and P. Goulet Eur. Phys. J. AP, 7 2 (1999) 189-196 Published online: 15 August 1999 DOI: 10.1051/epjap:1999213