00414nam a22001577a 4500003000400000005001700004008004100021020001500062040000800077082002200085100001500107245004700122260003300169300001100202650004300213OSt20220502143931.0030206s2002    ck            000 0 spa d  a9681843401  cOSt04221a001.642bB3781 aBartel, R.00aConozca  a Norton Utilities  / cR. Bartel  aMéxico : bLimusa, c1992.  a173 p.042LEMBxNORTON LENGUAJE DE COMPUTADORAS