00783nam a2200205Ia 4500003000900000008004100009020001800050040001600068080002400084111009900108245019500207260003400402300001500436650001700451650001100468650002000479700002500499700002400524700002900548IN-BaIIA211028s9999    xx            000 0 eng d  a3-540-53436-9  cIIA Library  a523.947(082.2)bULM  aInternational Conference on Atlas of a Dark Sunspot Unbral SpectrumcHeidelbergd1990 June 5-8 0aMechanics of chromospheric and coronal heatingbproceedings of the international conference held in Heidelberg, June 5-8, 1990cedited by Peter Ulmschneider, Eric R. Priest and Robert Rosner  aBerlinbSpringer-Verlagc1991  axiv, 649p.  aChromosphere  aCorona  aCoronal Heating  aPriest, Eric R., ed.  aRosner, Robert, ed.  aUlmschneider, Peter, ed.