TY - BOOK AU - Ali,Syed Riffat TI - Digital switching systems : system reliability and analysis SN - 0070010692 AV - TK6397 A44D PY - 1998/// CY - New York, N.Y. PB - McGraw-Hill KW - TELEPHONE SWITCHING SYSTEMS, ELECTRONIC KW - RELIABILITY KW - DIGITAL TELEPHONE SYSTEMS KW - SYSTEM ANALYSIS ER -