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 Dans les années 70 et 80, les présentations en classes passaient par des projections : l'UPBM a publié un certain nombre de planches de diapositives. Reproduction interdite sans autorisation de l'UPBM - usage pédagogique gratuit autorisé.
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
Diapositives - sang normal
 
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