@article{SchraderWortmannPrescheretal.1998,
  author    = {Schrader, Sigurd and Wortmann, Hanna Rosalie and Prescher, Dietrich and Lukaszuk, K. and Otto, Andreas H.},
  title     = {Solvatochromy and electro-optical study of new fluorine-containing chromophores},
  year      = {1998},
  language  = {en}
}
@article{OttoSteigerSchrader1998,
  author    = {Otto, Andreas H. and Steiger, Th. and Schrader, Sigurd},
  title     = {HAICI4 in the gas phase is stronger than HTaF6.},
  year      = {1998},
  language  = {en}
}
@article{OttoSteigerSchrader1998,
  author    = {Otto, Andreas H. and Steiger, Th. and Schrader, Sigurd},
  title     = {The gas phase acidity of trifluoromethanesulphonic acid : an ab initio MO and density functional theory study},
  year      = {1998},
  language  = {en}
}