32680086cd5a752f6ff2abcfa47e0a2cd3421f83f3250a164f9c171522de03e4  graficas_a1969m6n1.pdf
24eaa3ae6675ec04cbf1023a9361f6eeb7fe9007f5f937a7dc763f41142dcc2d  graficas_a1969m9n2.pdf