00591nam a2200181Ia 4500003000900000005001700009008004100026040001600067080002500083100001800108245013200126260003500258300001200293490002600305650004100331650001700372650002000389IN-BaIIA20250729152512.0211028s9999    xx            000 0 eng d  cIIA Library  a083.550.38bIAGA-32F  aMayaud, P. N. 0aGeomagnetic data 1975 indices rapid variations special intervalscP. N. Mayaud                                                   aParisbIUGG Publicationsc1976  axii,80p  aIAGA Bulletin; no. 32  aAstronomy and Astrophysics Thesaurus  aGeomagnetism  aMagnetic Storms