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Message * Articles On Belgian Astronomers, including Adolphe Quetelet, Georges Lemaître, Eugène Joseph Delporte, Eric Walter Elst, Sylvain Arend, George Van Biesbroeck, Henri Debehogne, Fernand Rigaux, Jean Meeus, Marcel Minnaert, Louis Bernacchi - 1244128929 - 9781244128927