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