@article{GreggSchechterBeckeretal.2001,
  author    = {Gregg, M. D. and Schechter, P. and Becker, Rolf and Wisotzki, Lutz and Maza, J. and Laurent-Muehleisen, S. and White, R.},
  title     = {Two new high resolution surveys for lensed quasars},
  isbn      = {1-583-81074-9},
  year      = {2001},
  language  = {en}
}