@Article{Vogt04:LFF, author = {F. Vogt and S. Kr{\"u}ger and J. Schmidt and D. Paulus and H. Niemann and W. Hohenberger and C. H. Schick}, title = {{Light Fields for Minimal Invasive Surgery Using an Endoscope Positioning Robot}}, journal = {{Methods of Information in Medicine}}, year = 2004, volume = 43, number = 4, pages = {403-408}, publisher = {Schattauer}, address = {Stuttgart,New York} }