![]() | ![]() |
Astron. Astrophys. 353, 124-128 (2000) AcknowledgementsP.S. acknowledges support by the Verbundforschung under grant number 50 OR 970835. G.S. and Y.M. acknowledge support by the TMR network "Gravitational Lensing: New Constraints on Cosmology and the Distribution of Dark Matter" of the EC under contract No. ERBFMRX-CT97-0172. ![]() ![]() ![]() ![]() © European Southern Observatory (ESO) 2000 Online publication: December 8, 1999 ![]() |