TY - BOOK AU - Gupta,Prakash C. TI - Data communications SN - 8120311183 U1 - 004.6 GUP 20 PY - 1996///.[reprinted 1998] CY - New Delhi PB - Prentice-Hall KW - Data transmission systems KW - Computer networks KW - CSE N1 - Includes bibliographical reference and index ER -