@article{WisotzkiBeckerChristensenetal.2004, author = {Lutz Wisotzki and Thomas Becker and Lise Bech Christensen and Knud Jahnke and Andreas Helms and A. Kelz and Martin M. Roth and Sebastian F. Sanchez}, title = {Integral field spectrophotometry of gravitationally lensed QSOs with PMAS}, year = {2004}, }