00439nam a2200169Ia 4500003000900000008004100009040001600050080001600066100001700082245007800099250001200177260003300189300001400222650001500236650001000251650000800261IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a521.03bALL  aAller, L. H. 0aAstrophysicscL. H. Aller                                                  a2nd ed.  aNew YorkbRonald Pressc1963  axi, 650p.  aAtmosphere  aStars  aSun