@book{Tietze2005,
  author    = {Tietze, J{\"u}rgen},
  title     = {{\"U}bungsbuch zur angewandten Wirtschaftsmathematik : Aufgaben, Testklausuren und L{\"o}sungen . 5., erw. Aufl.},
  publisher = {Vieweg},
  address   = {Wiesbaden},
  isbn      = {3-528-43146-6},
  pages     = {VIII, 326 S. : graph. Darst.},
  year      = {2005},
  language  = {de}
}
@book{Tietze2005,
  author    = {Tietze, J{\"u}rgen},
  title     = {{\"U}bungsbuch zur Finanzmathematik. Aufgaben, Testklausuren und L{\"o}sungen. 4., verb. u. erw. Aufl.},
  publisher = {Vieweg},
  address   = {Wiesbaden},
  isbn      = {3-8348-0030-9},
  pages     = {XII, 410 S. : graph. Darst.},
  year      = {2005},
  language  = {de}
}
@article{WagnerYoshinobuRaoetal.2005,
  author    = {Wagner, Torsten and Yoshinobu, T. and Rao, C. and Otto, R. and Sch{\"o}ning, Michael Josef},
  title     = {„All-in-one" solid-state device based on a lightaddressable potentiometric sensor platform},
  series = {Transducers '05 : the 13th International Conference on Solid-State Sensors, Actuators and Microsystems ; Seoul, Korea, [June 5 - 9, 2005] ; digest of technical papers / sponsored by Korean Sensors Society. Technical co-sponsors: IEEE Electron Devices Society},
  journal   = {Transducers '05 : the 13th International Conference on Solid-State Sensors, Actuators and Microsystems ; Seoul, Korea, [June 5 - 9, 2005] ; digest of technical papers / sponsored by Korean Sensors Society. Technical co-sponsors: IEEE Electron Devices Society},
  publisher = {IEEE Operations Center},
  address   = {Piscataway, NJ},
  isbn      = {0-7803-83995-6},
  pages     = {1872 -- 1875},
  year      = {2005},
  language  = {en}
}