TY - BOOK AU - Ali,Syed Riffat TI - Digital switching systems: system reliability and analysis SN - 97880704833903 (pbk) U1 - 621.387 PY - 1998/// CY - New Delhi PB - McGraw-Hill KW - Telephone switching systems, Electronic KW - Reliability KW - Digital telephone systems KW - System analysis KW - Electronic books KW - lcgft N1 - Description based on print version record; Includes bibliographical references and index ER -