Shannon, J.M.; Gill, A.: 'High current gain in monolithic hot-electron transistors', Electronics Letters, 1981, 17, (17), p. 620-621, DOI: 10.1049/el:19810435
IET Digital Library, https://digital-library.theiet.org/;jsessionid=583jeub52npmv.x-iet-live-01content/journals/10.1049/el_19810435