000 00277nam a22001337a 4500
041 _aENG
100 _aGupta
245 _aMicrowave Engineering
260 _aDelhi
_bkhanna Publishe
_c1999
300 _a268
650 _aEOES ( 14 )
700 _aOthers
856 _uEOES
999 _c2681
_d2681