TY - BOOK AU - Das, J. TI - Review of digital communication: : state of the art in digital signalling, digital switching, and data networks SN - 0852261519 U1 - 621.380413 DAS PY - 1988/// CY - New Delhi PB - : J. Wiley KW - Digital communications KW - DIGITAL ELECTRONICS KW - PULSE COMMUNICATION KW - Das, J KW - Digital Communication ER -