SHEEDY, PF, DH Stephens, RR Hattery, Muhm, GW Hartman Computed tomography of the body: initial clinical trial with the EMI prototype. American Journal of Roentgenology, 1976, čís. 127, s. 23-51. Dostupné online [cit. 2016-10-20].
bizjournals.com
GE Medical Systems to acquire Imatron [online]. San Francisco Business Times, 24.9.2001, [cit. 2016-10-20]. Dostupné online. (anglicky)
si.edu
americanhistory.si.edu
ACTA Model 0100 CT Scanner [online]. The National Museum of American History, [cit. 2016-10-20]. Dostupné online. (anglicky)