Faulkner, E.A.; Buckingham, M.J.: 'Comment on ‘Can a pulse excitation smaller than <i>kT</i> be detected?’', Electronics Letters, 1972, 8, (6), p. 152-153, DOI: 10.1049/el:19720111
IET Digital Library, https://digital-library.theiet.org/;jsessionid=1aab1diqra0mk.x-iet-live-01content/journals/10.1049/el_19720111