00739 a2200253 4500 ITTG458 OSt 20250115011545.0 241215s1987 |||||||||||||||||| #d 968-422-147-9 ITTG ITTG spa 621.380413 G65 GONZALEZ SAINZ, NESTOR. COMUNICACIONES Y REDES DE PROCESAMIENTO DE DATOS/ NESTOR GONZALEZ SAINZ. MEXICO: MCGRAW-HILL 1987 396 P. 23 CM. INCLUYE BIBLIOGRAFIA E INDICE. 14 1.COMUNICACION. 2.INFORMACION - SISTEMAS DE ALMACENAMIENTO Y RECUPERACION. 3.TELECOMUNICACIONES. ddc 1 20090813 14:22:52 441 441 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 621.380413 G65 12521 2025-01-15 07:15:45 ej.2 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 621.380413 G65 20392 2025-01-15 07:15:45 ej.9 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 621.380413 G65 21341 2025-01-15 07:15:45 ej.11 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 621.380413 G65 26999 2025-01-15 07:15:45 ej.13 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2022-01-10 0 621.380413 G65 2216 2025-01-15 07:15:45 ej.14 2025-01-15 1