000 00231nam a2200109Ia 4500
008 200701s1998 xx 000 0 eng d
100 _aGUPTA.K.C
245 0 _aMICROWAVES
260 _bS CHAND
_c1998
300 _a242
942 _2ddc
_cGE
999 _c294
_d294