00480nam a2200169Ia 4500003000900000008004100009020001800050040001600068080001700084100001600101245009600117260003900213300001600252650000800268650001300276700002100289IN-BaIIA211028s9999    xx            000 0 eng d  a0-486-63731-X  cIIA Library  a523.746bBRA  aBray, R. J. 0aSunspotscR. J. Bray and R. E. Loughhead                                                     aNew YorkbDover Publicationsc1964  axiii, 303p.  aSun  aSunspots  aLoughhead, R. E.