Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Suzuki Atsushi and Shionoya Shigeo,Mechanism of the Green-Copper Luminescence in ZnS Crystals. I. Direct Evidence for the Pair Emission Mechanism,Journal of the Physical Society of Japan,0031-9015,THE PHYSICAL SOCIETY OF JAPAN,1971,31,5,1455-1461,https://cir.nii.ac.jp/crid/1390282679167292800,https://doi.org/10.1143/jpsj.31.1455