@article{MittalPorcasWucknitzetal.2006,
  author    = {Rupal Mittal and Richard Porcas and Olaf Wucknitz and Andy D. Biggs and Ian W. A. Browne},
  title     = {VLBI phase-reference observations of the gravitational lens JVAS B0218+357},
  doi       = {10.1051/0004-6361:20054012},
  url       = {http://www.edpsciences.org/docinfos/AAS/},
  year      = {2006},
}