Searching for galaxy clusters using the aperture mass statistics in 50 VLT fields M. Hetterscheidt, T. Erben, P. Schneider, R. Maoli, L. Van Waerbeke and Y. Mellier A&A, 442 1 (2005) 43-61 Published online: 30 September 2005 DOI: 10.1051/0004-6361:20053339