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040 _aISI KOLKATA
041 _aEnglish
082 _a551
_bIn61
100 _aBeynon W J G ed.
110 _aInternational Scientific Radio Union (1959 : Brussels)
111 _c,
_eURSI/AGI Committee
245 _aSome ionospheric results obtained during the International Geophysical year
_bProceedings
260 _aLondon
_bElsevier Pub
_c1960
300 _axii,401p.
650 _aEarth science
650 _aGeology
650 _aGeophysics
942 _cBK
999 _c105567
_d105567