000 00379nam a2200145Ia 4500
008 241226s9999 xx 000 0 und d
020 _a978-81-239-2009-2
082 _a621.381
_bJAY
100 _aJayan, S
245 0 _aElectronic signature
260 _aNew Delhi :
_bCbs Publishers,
_c2011.
300 _a78
365 _a250
650 _aElectrical Electronics Communication,
999 _c95161
_d95161