A spectroscopic survey for λ Bootis stars - II. The observational data E. Paunzen, B. Duffee, U. Heiter, R. Kuschnig and W. W. Weiss A&A, 373 2 (2001) 625-632 Published online: 15 July 2001 DOI: 10.1051/0004-6361:20010630