title: A method for the quantitative measurement of phosphorescent materials based on electronically counting phosphorescence photons.
authors.forename: R W
authors.initials: RW
authors.lastname: PERKINS
authors.forename: J D
authors.initials: JD
authors.lastname: LUDWICK
mesh_terms: D000397:Air Pollution; D004581:Electronics; D017785:Photons; D011827:Radiation; D015032:Zinc / Q000737:chemistry*
chemical_list: D015032:Zinc
keywords: AIR POLLUTION; ZINC/chemistry