9. Biographie
Who's Who in the World
Who's Who in Sciences
Who's Who in Europe
Qui est Qui en Belgique Francophone
International Book of Honor (American Biographical Institute)
American Biographical Institute. Honorary Advisor on the Research Board of Advisors
Dictionary of International Biography (Cambridge, UK)
International Register of Profiles, International Biographical Centre (Cambridge, UK) (1993-1994, p. 24)
Honorary member of the International Biographical Centre (Cambridge, UK), 1997- .
Le nouveau dictionnaire des Belges. Le Cri/Legrain, RTBF édition
Dictionnaire biographique européen
Best Europe database, Cartermill International Limited
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