00547nam a2200181Ia 4500003000900000008004100009020001800050040001600068080002200084100001400106245010000120260004200220300001500262650001500277650004100292650001900333650001300352IN-BaIIA211028s9999    xx            000 0 eng d  a90-277-0680-8  cIIA Library  a082.2:52bIAU-S71  aBumba, V. 0aBasic mechanisms of solar activitycV. Bumba                                                     aDordrechtbD. Reidel Publishingc1976  axvi, 481p.  aActive sun  aAstronomy and Astrophysics Thesaurus  aSolar activity  aSunspots