00305nam a2200121Ia 4500 230718s9999||||xx |||||||||||||| ||und|| 621.38 SHANMUGAM SAM K DIGITAL AND ANALOG COMMUNICATION SYSTEMS 1 JOHN WILEY 2012 NEW DELHI 600 0 0 0 0 ELC NMA NMA STACK2:ELC:10A 2013-11-22 MAHALAXMI 429.00 3077 / 2013-11-14 0 621.38 44120 2025-07-01 00:00:00 2023-07-19 BK 54637 54637