PROPERTIES OF SOME OLD PLANETARY NEBULAE

[31] EVOLUTION OF CENTRAL STARS OF PLANETARY NEBULAE [J]. ASTROPHYSICAL JOURNAL, 1963, 138 (01) : 67 - &

[32] A DISTANCE SCALE FOR PLANETARY NEBULAE BASED ON EMISSION-LINE FLUXES [J]. ASTROPHYSICAL JOURNAL, 1962, 135 (02) : 371 - &

[33] PLANETARY NEBULAE [J]. ANNUAL REVIEW OF ASTRONOMY AND ASTROPHYSICS, 1964, 2 : 95 - +

[34] RECOMBINATION SPECTRA .1. CALCULATIONS FOR HYDROGENIC IONS IN THE LIMIT OF LOW DENSITIES [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1964, 127 (02) : 145 - 163

[35] PEREK L, 1963, B ASTRON I CZECH, V14, P201

[36] Spectral energy-curve of the sun in the ultraviolet [J]. ASTROPHYSICAL JOURNAL, 1940, 91 (02) : 159 - 185

[37] THE RECOMBINATION SPECTRUM OF NEBULAR HYDROGEN [J]. ASTROPHYSICAL JOURNAL, 1958, 128 (03) : 489 - 496

[38] VOIGT HH, 1965, LANDOLTBORNSTEIN ED, V1, P566

[39] VORONTSOVVELYAM.BA, 1961, ASTR ZH, V38, P75

[40] VORONTSOVVELYAM.BA, 1960, ASTRON ZH+, V37, P994

[31] EVOLUTION OF CENTRAL STARS OF PLANETARY NEBULAE [J]. ASTROPHYSICAL JOURNAL, 1963, 138 (01) : 67 - &

[32] A DISTANCE SCALE FOR PLANETARY NEBULAE BASED ON EMISSION-LINE FLUXES [J]. ASTROPHYSICAL JOURNAL, 1962, 135 (02) : 371 - &

[33] PLANETARY NEBULAE [J]. ANNUAL REVIEW OF ASTRONOMY AND ASTROPHYSICS, 1964, 2 : 95 - +

[34] RECOMBINATION SPECTRA .1. CALCULATIONS FOR HYDROGENIC IONS IN THE LIMIT OF LOW DENSITIES [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1964, 127 (02) : 145 - 163

[35] PEREK L, 1963, B ASTRON I CZECH, V14, P201

[36] Spectral energy-curve of the sun in the ultraviolet [J]. ASTROPHYSICAL JOURNAL, 1940, 91 (02) : 159 - 185

[37] THE RECOMBINATION SPECTRUM OF NEBULAR HYDROGEN [J]. ASTROPHYSICAL JOURNAL, 1958, 128 (03) : 489 - 496

[38] VOIGT HH, 1965, LANDOLTBORNSTEIN ED, V1, P566

[39] VORONTSOVVELYAM.BA, 1961, ASTR ZH, V38, P75

[40] VORONTSOVVELYAM.BA, 1960, ASTRON ZH+, V37, P994