https://www.laserlab-europe.eu/research/joint-research-2015-2019/jra4-lepp/lepp-publications/2016/absolute-dosimetric-characterization-of-gafchromic-ebt3-and-hdv2-films-using-commercial-flat-bed-scanners-and-evaluation-of-the-scanner-response-function-variability en Plone