TY - JOUR A1 - Belle, Stefan A1 - Scheurich, Steffen A1 - Hellmann, Ralf A1 - So, Sik A1 - Sparrow, Ian A1 - Emmerson, Greg T1 - Refractive index sensing for online monitoring water and ethanol contents in biofuels JF - Sensors KW - Biokraftstoff Y1 - 2014 U6 - https://doi.org/10.1117/12.853849 SN - 1424-8220 IS - 7726 ER -