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calculating instruments, napier's bones - antiques calculating instruments, perez prados, calculadora, calculator
![Capítulo 4. Historia de la Informática. Introducción a la Informática (GAP). Profesor Rafael Menendez-Barzanallana Asensio. Universidad de Murcia (España) Capítulo 4. Historia de la Informática. Introducción a la Informática (GAP). Profesor Rafael Menendez-Barzanallana Asensio. Universidad de Murcia (España)](http://dis.um.es/~barzana/Imagenes/hollerit.gif)
Capítulo 4. Historia de la Informática. Introducción a la Informática (GAP). Profesor Rafael Menendez-Barzanallana Asensio. Universidad de Murcia (España)
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calculating instruments, napier's bones - antiques calculating instruments, perez prados, calculadora, calculator
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