Rotation of stars in NGC 6134 - A comparison of δ Scuti stars and non-variable stars M. B. Rasmussen, H.Bruntt, S. Frandsen, E. Paunzen and H. M. Maitzen A&A, 390 1 (2002) 109-119 Published online: 05 July 2002 DOI: 10.1051/0004-6361:20020713