Units of luminous flux Create Talk0 Category page This page needs content. You can help by adding a sentence or a photo! Add to this page! “ Assessment | Biopsychology | Comparative | Cognitive | Developmental | Language | Individual... Lumen (unit) Pages in category "Units of luminous flux" This category contains only the following page. L Lumen (unit) Retrieved from "http://psychology.wikia.com/wiki/Category:Units_of_luminous_flux"