000 00620nam a22001691a 4500
003 USJPLib
008 140924b xxu||||| |||| 00| 0 eng d
082 _a538.767
_bGNA
100 _aGnanalingam, S.
245 _aSome observation of the lower ionosphere using frequency-modulated radio waves of medium frequency
_h[Text]
_cGnanalingam, S.
260 _bVidyodaya University
_aNugegoda
_c1967
300 _a13 p.:diagr.
_c34 cm.
500 _aA paper read at the 23rd annual sesion of the Ceylon Association for the Advancement of Science in 1967
650 _aMagnetism
700 _aRatnaweera, D.
942 _2ddc
_cPR
999 _c70113
_d70113