00555 a2200169 4500 067633 OSt 20211229151549.0 004.6 S18I Stallings, William ISDN and broadband, ISDN with frame relay and ATM by William Stallings New Delhi Pearson 2009 522p. Asynchronous transfer mode; Broadband communication systems; Frame relay (Data transmission) Integrated services digital networks ddc BK 1506 1506 0 0 ddc 0 0 TXB CURAJ CURAJ 2012-03-07 CSC 350.00 004.6 S18I 1919 2024-11-21 2020-09-02 BK