000 00531nam a2200169Ia 4500
003 IN-MuIIG
008 231010s9999 xx 000 0 und d
020 _a0-306-17141-4
040 _cIIG Library
080 _a551.510.535.4:621.372
_bALP
100 _aAlʹpert, Yakov L.
245 0 _aRadio wave propagation and the ionosphere
_bv. 1 : the Ionosphere
_cYakov L. Alʹpert
260 _aNew York
_bConsultants Bureau
_c1973
300 _axii+430p.
_bfigs; refs; tables
650 _aRadio-wave PropagationIonosphere
942 _cBK
999 _c12549
_d12549