Butson, M J Evaluation of the magnitude of EBT Gafchromic film polarization effects. [electronic resource] - Australasian physical & engineering sciences in medicine Mar 2009 - 21-5 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0158-9938 Standard No.: 10.1007/BF03178624 doi Subjects--Topical Terms: Dose-Response Relationship, RadiationLightOptical PhenomenaRadiometry--instrumentation