. . . . . . . . . . . . "Poisson, Charles"@fr . . _:Bdc75a8efb0e5f84cebc864ceca1b35ba . . . _:Bdc75a8efb0e5f84cebc864ceca1b35ba . _:Bdc75a8efb0e5f84cebc864ceca1b35ba . _:Bdc75a8efb0e5f84cebc864ceca1b35ba .