Jean-Claude Heidmann - Founder JCH CONSULTING - JCH CONSULTING Unipessoal LDA | LinkedIn
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84 Nancay Photos and Premium High Res Pictures - Getty Images
Jean Heidmann - Extra-terrestri - Piemme 1996 - Semi d'inchiostro
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JJean-Claude Heidmann | Speaker | Climate Council
Portrait de l'astronome français Jean Heidmann, circa 1990, France. News Photo - Getty Images
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EXTRATERRESTRIAL INTELLIGENCE by Jean Heidmann (1995, Hardcover) | eBay
Odyssee im Kosmos | SpringerLink
Bioastronomie: Über irdisches Leben und außerirdische Intelligenz | SpringerLink
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L'odissea del cosmo | Jean Heidmann - Laterza – Libreria Obli
