00554nam a2200181Ia 4500003000900000008004100009020001800050040001600068080001500084100002500099245005900124260003900183300001500222490005200237650001600289650002400305650004300329IN-BaIIA211028s9999    xx            000 0 eng d  a0-7167-0348-3  cIIA Library  a524.5bOST  aOsterbrock, Donald E 0aAstrolphysics of gaseous nebulaecDonald E. Osterbrock  aSan FranciscobW. H. Freemanc1974  axiv, 251p.  aA series of books in astronomy and astrophysics  a Nebulae   a Planetary nebulae  aAstronomy and astrophysics thesaurus