TY - GEN AU - Horak,Ray TI - Communications systems and networks (E-Book) T2 - The M&T networking technology series SN - 0-7645-7522-8 (alk. paper) U1 - 621.382 PY - 2000/// CY - Foster City, Calif. PB - M&T Books KW - Telecommunications engineering - (E-BOOK) KW - E-BOOK ER -