Mita, R.; Palumbo, G.; Fallica, P.G.: 'Accurate model for single-photon avalanche diodes', IET Circuits, Devices & Systems, 2008, 2, (2), p. 207-212, DOI: 10.1049/iet-cds:20070180
IET Digital Library, https://digital-library.theiet.org/;jsessionid=h3q4fc59c29h4.x-iet-live-01content/journals/10.1049/iet-cds_20070180