00430nam a22001577a 450000100060000000300100000600500170001604000140003300800410004710000290008824500400011726000320015730000110018944000310020060000410023133365MX-SIABUC20260702210746.0  aMX-SIABUC050601s1979    mx #   j            spa d  aLudwing, Emil, 1881-1948  aBeethoven: vida de un conquistador.  aMéxico :bEditorial Diana  a409 p.  aGrandes Biografías Diana  a1. BEETHOVEN, LUDWING VAN, 1770-1827