TY - BOOK AU - Tomasi,Wayne TI - Introduction to data communications and networking SN - 9788131709306 U1 - 004.6 20 PY - 2005/// [fourth impression 2010] CY - Upper Saddle River, N.J., New Delhi PB - Pearson/Prentice Hall KW - Data transmission systems KW - Computer networks N1 - Includes index ER -