000 00378 a2200121 4500
020 _a978007070704800
082 _a621.391 RAM
245 _aAnalog Communication
_cP Ramakrishna Rao
260 _bTMH
_cc2011
300 _axvii,499p
100 _aRamakrishna Rao P
_9368
999 _c1355
_d1355