000			00392nam a2200157Ia 4500
008			220115s9999||||xx |||||||||||||| ||und||
020			_a9780070667556
100			_aFrenzel L E
245		0	_aPrinciples of Electronic Communication Systems
250			_a3rd
260			_aChennai _bTMH _c2015 _dEnglish
300			_a885
490			_a0110148916
650			_aElectronics
942			_cBK
999			_c60649 _d60649