The REFLEX galaxy cluster survey - VIII. Spectroscopic observations and optical atlas, L. Guzzo, P. Schuecker, H. Böhringer, C. A. Collins, A. Ortiz-Gil, S. De Grandi, A. C. Edge, D. M. Neumann, S. Schindler, C. Altucci and P. A. Shaver A&A, 499 2 (2009) 357-369 Published online: 24 February 2009 DOI: 10.1051/0004-6361/200810838