00799nam a2200193Ia 4500003000900000008004100009040001600050080001700066110003600083245025200119260004100371300001600412490004200428500002600470650004100496650002300537650002100560650002400581IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a524.575bHOM  aThe Harvard College Observatory 0aHarvard observatory centennial symposia, december 1946bcontributions on interstellar matter, electronics and computational devices, eclipsing binaries the gaseous envelope of the earthcThe Harvard College Observatory                               aCambridgebHarvard Observatoryc1948  aviii, 385p.  aHarvard observatory monographs; no. 8  aDonated by Mrs. Bappu  aAstronomy and Astrophysics Thesaurus  aEclipsing Binaries  aGaseous Envelope  aInterstellar Matter