ORE Open Research Exeter TITLE A unified global investigation on the spectral effects of soiling losses of PV glass substrates: preliminary results AUTHORS Micheli, L; Fernandez, EF; Smestad, GP; et al. DEPOSITED IN ORE 04 October 2019 This version available at http://hdl.handle.net/10871/39050 COPYRIGHT AND REUSE Open Research Exeter makes this work available in accordance with publisher policies. A NOTE ON VERSIONS The version presented here may differ from the published version. If citing, you are advised to consult the published version for pagination, volume/issue and date of publication