000 00364nam a2200145Ia 4500
008 241225s9999 xx 000 0 und d
020 _a0
082 _a621.381
_bGK
100 _aG K Pub.
245 0 _aGate in electronics and communication engineering
260 _aNoida :
_bG K Publisher,
_c2007
300 _a615.
365 _a320
650 _aApplied physics
999 _c20971
_d20971