000 00213 a2200097 4500
001 23440
100 _aDanielson, G L
245 _aRadio and line Transmission
260 _a
_bIliffe
_c1969
090 _c15833
_d15833
942 _aNUST-CAE
_cM
_c6484
999 _c258513
_d258513