000 00291nam a2200133Ia 4500
100 _aGupta, K
020 _a0-85226-346-5
654 _aENGINEERING
942 _cBK
245 _aMicrowaves
260 _aNew Age International, New Delhi
_c1983
082 _a621.3813 Gup
300 _aX,242p
999 _c25273
_d25273