@article{WagnerMarisAckermannetal.2010, author = {Torsten Wagner and Rob J. Maris and Hans-Josef Ackermann and Ralph Otto and Stefan Beging and Arshak Poghossian and Michael Josef Sch{\"o}ning}, title = {Handheld measurement device for field-effect sensor structures: Practical evaluation and limitations}, journal = {Sensors and Actuators B: Chemical . 127 (2007), H. 1}, pages = {217 -- 223}, year = {2010}, }