000 00236nam a2200109Ia 4500
008 220201s1997 xx 000 0 eng d
100 _aKRAVS, J.B.
245 0 _aANTENNAS
260 _bMC-GRAW HILL
_c1997
300 _a892
942 _2ddc
999 _c67376
_d67376