00709nam a2200205Ia 4500003000900000008004100009040001600050080001500066100002700081245010300108260004600211300001000257650004100267650002600308650003000334700002600364942000700390999001500397952009100412IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a524.5bMEN  aMenzel, Donald H91294 0aPhysical processes in gaseous nebulaebtheoy of the balmer decrementcMenzel, D. H. & Baker, J. G.  bAstronomical Society of the Pacificc1937  a610p.  aAstronomy and astrophysics thesaurus  aGaseous nebulae92296  aInterstellar matter91189  aBaker, James G.92297  cBK  c1072d1072  00104070aBANbBANcGENd0000-00-00l0o524.5/ MENp1129r2021-11-05w0000-00-00yBK