00270nam a2200121 a 4500041000800000082001600008100002000024245002700044260002700071300001000098650002600108650001400134 aspa a923bO76v35 aVelasco A, Hugo aMariano Ospina Pérez aBogotábCosmosc1953 a294 p aOSPINA PEREZ, MARIANO aBIOGRAFIA