BAS-RELIEFS AND MEDALS (Sivu 77) REPORT OF THE NINTH SESSION OF THE INTERNATIONAL OLYMPIC ACADEMY AT OLYMPIA. 1970. THE INTERNATIONAL OLYMPIC ACADEMY (IOA). Arkistoitu 1.11.2020. Viitattu 29.10.2020. (englanniksi)
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BAS-RELIEFS AND MEDALS (Sivu 77) REPORT OF THE NINTH SESSION OF THE INTERNATIONAL OLYMPIC ACADEMY AT OLYMPIA. 1970. THE INTERNATIONAL OLYMPIC ACADEMY (IOA). Arkistoitu 1.11.2020. Viitattu 29.10.2020. (englanniksi)