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8723 - Souvenirs d'un astronome (1908-1977)

Ancien directeur de l'Observatoire de Besançon durant vingt-sept ans.
En accompagnement de ses souvenirs, et aperçus historiques sur l'industrie horlogère, près de nonante photographies noir-blanc traitent du problème du repérage des aéronefs au son.

631 pages

Edition : 1980