@article{SchoeningGlueckThust1999,
  author    = {Sch{\"o}ning, Michael Josef and Gl{\"u}ck, O. and Thust, M.},
  title     = {Electrochemical methods for the determination of chemical variables in aqueous media},
  series = {The measurement, instrumentation, and sensors handbook / ed.-in-chief John G. Webster. In cooperation with IEEE Press},
  journal   = {The measurement, instrumentation, and sensors handbook / ed.-in-chief John G. Webster. In cooperation with IEEE Press},
  publisher = {CRC Press},
  address   = {Boca Raton [u.a.]},
  isbn      = {0-8493-8347-1},
  pages     = {1 -- 49},
  year      = {1999},
  language  = {en}
}
@article{SchoeningHuellenkremerGluecketal.2001,
  author    = {Sch{\"o}ning, Michael Josef and H{\"u}llenkremer, B. and Gl{\"u}ck, O. and L{\"u}th, H. and Emons, H.},
  title     = {Voltohmmetry - a novel sensing principle for heavy metal determination in aqueous solutions},
  series = {Sensors and Actuators B. 78 (2001), H. 1-3},
  journal   = {Sensors and Actuators B. 78 (2001), H. 1-3},
  isbn      = {0925-4005},
  pages     = {275 -- 280},
  year      = {2001},
  language  = {en}
}