@article{SchoeningTsarouchasBeckersetal.2006,
  author    = {Michael Josef Sch{\"o}ning and D. Tsarouchas and Leah Beckers and J. Schubert and W. Zander and P. Kordoš and Hans L{\"u}th},
  title     = {A highly long-term stable silicon-based pH sensor using pulsed laser deposition technique},
  journal   = {Sensors and Actuators B. 35 (1996), H. 1-3},
  pages     = {228 -- 233},
  year      = {2006},
}