00813nac a22001811u 4500 007058611X 621.382 H87374 116 116 Hsu, Hwei Schaum's outline of theory and problems of analog and digital communications/ Hwei P. Hsu 2nd ed. New Delhi Tata McGraw-Hill 2004 Digital communications Telecommunication BB 621.382H87374 116 116 0 0 0 0 MAIN MAIN 1ST 2005-12-22 Purchase 12 70 621.382 HSU 000004649 2025-07-15 00:00:00 2019-02-14 120.00 BB 0 0 ddc 0 0 Alahram MAIN MAIN 1ST 2009-02-12 purchase 116.70 6390 0 621.382 HSU 000014813 2025-07-15 00:00:00 NB