Debiasi, Luca; Kauba, Christof; Uhl, Andreas: 'Identifying iris sensors from iris images' (Security, 2017), 'Iris and Periocular Biometric Recognition', Chap. 16, pp. 359-381, DOI: 10.1049/PBSE005E_ch16
IET Digital Library, https://digital-library.theiet.org/;jsessionid=1o0quu4vqh62w.x-iet-live-01content/books/10.1049/pbse005e_ch16