Basic mechanisms of solar activity   international astronomical union symposium no. 71 held in Prague, Czechoslovakia, 25-29 August 1975 
edited by Vaclav Bumba and Josip Kleczek 
 - Dordrecht  D. Reidel  1976 
 - xvi+481p.  figs; illus; refs 
<br/><br/><label>ISBN: </label>90-277-0681-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SunSolar Activity
<br/><br/><label>Universal Decimal Class. No.: </label>523.98(063)  / BUM