000 00293nam a2200121Ia 4500
008 220201s1958 xx 000 0 eng d
100 _aMARCUS
245 0 _aELEMENTS OF RADIO SURVEING
260 _aLONDON
_bELEMENTS OF RADIO SURVEYING
_c1958
300 _a663
700 _aLEVY
942 _2ddc
999 _c88852
_d88852