@article{KarageorgievStillerPrescheretal.2000,
  author    = {Karageorgiev, Peter and Stiller, Burkhard and Prescher, Dietrich and Dietzel, Birgit and Schulz, Burkhard and Brehmer, Ludwig},
  title     = {Modification of the surface potential of azobenzene-containing langmuir-blodgett films in the near field of a scanning kelvin microscope tip by irradiation},
  year      = {2000},
  language  = {en}
}
@article{StillerKarageorgievPerezetal.2000,
  author    = {Stiller, Burkhard and Karageorgiev, Peter and Perez, E. and Valez, M. and Reiche, J{\"u}rgen and Prescher, Dietrich and Dietzel, Birgit and Brehmer, Ludwig},
  title     = {Scanning kelvin microscopy as a tool for visualisation of optically induced molecular switching in azobenzene self assembling films},
  issn      = {0142-2421},
  year      = {2000},
  language  = {en}
}