000 00328pam a2200133a 44500
082 _aBTS
_bMONO 3754
100 _aUnger,H G
245 1 _aNORMAL MODES AND MODE CONVERSION IN HELIX WAVEGUIDE
260 _a
_b
_c1961
300 _a26
500 _aBound With Bts Mono 3751-53,3755-80
964 _gCIRC
997 _aTR19382 C
999 _c402865
_d402865