000 00635nam a2200181Ia 4500
003 IN-MuIIG
008 231010s9999 xx 000 0 und d
020 _a1483226379
040 _cIIG Library
080 _a550.38
_bBEY
245 0 _aAnnals of the International Geophysical Year
_bv. XVIII : tables of IGY monthly median ionospheric data
_cedited by W. J. G. Beynon and C. M. Minnis
260 _aOxford
_bPergamon Press
_c1962
300 _a461p.
490 _aAnnals of the International Geophysical Year; v. 18
650 _aInternational Geophysical Year
700 _aBeynon, W. J. G., ed. Minnis, C. M., ed.
942 _cBK
999 _c11846
_d11846