DEAN, Peter B.; DEAN, Kirsti I. Sir Johan Gadolin of Turku: The grandfather of gadolinium. Academic Radiology. 1996-08, roč. 3, s. 165–S169. Dostupné online [cit. 2020-06-25]. DOI10.1016/S1076-6332(96)80523-X. (anglicky)
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DEAN, Peter B.; DEAN, Kirsti I. Sir Johan Gadolin of Turku: The grandfather of gadolinium. Academic Radiology. 1996-08, roč. 3, s. 165–S169. Dostupné online [cit. 2020-06-25]. DOI10.1016/S1076-6332(96)80523-X. (anglicky)