NEGATIVE HYDROGEN IONS IN PLANETARY NEBULAE

[1] Continuous emission in the spectra of planetary nebulae [J]. ASTROPHYSICAL JOURNAL, 1942, 96 (01) : 78 - 100

[2] IONIZED HYDROGEN REGIONS IN PLANETARY NEBULAE [J]. ASTROPHYSICAL JOURNAL, 1951, 114 (01) : 98 - 105

[3] PAGE TL, 1936, MN, V96, P604

[4] A SURVEY OF INTERNAL MOTIONS IN THE PLANETARY NEBULAE [J]. ASTROPHYSICAL JOURNAL, 1950, 111 (02) : 279 - &

[5] ZANSTRA H, 1936, OBSERVATORY, V59, P314

[6] 1939, AP J, V89, P531

[7] 1945, AP J, V102, P395

[8] 1946, AP J, V104, P430

[9] 1942, AP J, V96, P310

[10] 1924, PHIL MAG, V47, P209

[1] Continuous emission in the spectra of planetary nebulae [J]. ASTROPHYSICAL JOURNAL, 1942, 96 (01) : 78 - 100

[2] IONIZED HYDROGEN REGIONS IN PLANETARY NEBULAE [J]. ASTROPHYSICAL JOURNAL, 1951, 114 (01) : 98 - 105

[3] PAGE TL, 1936, MN, V96, P604

[4] A SURVEY OF INTERNAL MOTIONS IN THE PLANETARY NEBULAE [J]. ASTROPHYSICAL JOURNAL, 1950, 111 (02) : 279 - &

[5] ZANSTRA H, 1936, OBSERVATORY, V59, P314

[6] 1939, AP J, V89, P531

[7] 1945, AP J, V102, P395

[8] 1946, AP J, V104, P430

[9] 1942, AP J, V96, P310

[10] 1924, PHIL MAG, V47, P209