000 00456nam a2200157Ia 4500
003 IN-BaIIA
008 211028s9999 xx 000 0 eng d
040 _cIIA Library
080 _a551.510.6
_bKER
100 _aKerr, E Donald
_92149
245 0 _aPropagation of short radio waves
_cE Donald Kerr
260 _aNew York
_bMcGraw-Hill
_c1951
300 _axvii, 728p.
650 _aRadio waves
_92150
942 _cBK
999 _c996
_d996