Olthuis, Wouter and Stijns, Gideon and Langereis, Geert R. and Bergveld, Piet (2003) Differential measuring using an ion exchanger applied to Ca2+ ion concentration determination. Sensors and Actuators B: Chemical, 89 (1-2). pp. 53-57. ISSN 0925-4005
Langereis, G.R. and Olthuis, W. and Bergveld, P. (2000) A demonstration of acquiring specific concentration data by variations in the operating conditions of a non-specific sensor. Chemometrics and Intelligent Laboratory Systems, 50 (2). pp. 211-223. ISSN 0169-7439
Langereis, Gerardus Rudolph (1999) An integrated sensor system for monitoring washing processes. thesis.
Langereis, G.R. and Olthuis, W. and Bergveld, P. (1998) Using a single structure for three sensor operations and two actuator operations. Sensors and Actuators B: Chemical, 53 (3). pp. 197-203. ISSN 0925-4005
Langereis, G.R. and Olthuis, W. and Bergveld, P. (1997) Measuring conductivity, temperature and hydrogen peroxide concentration using a single sensor structure. In: Transducers '97, International Conference on Solid State Sensors and Actuators, June 16-19, 1997, Chicago, USA.