DOUBLE LINES IN THE SPECTRUM OF THE CLASSICAL CEPHEID X-CYGNI

[1] KRAFT RP, 1955, THESIS U CALIFORNIA

[2] THE SPECTRUM AND RADIAL VELOCITIES OF W VIRGINIS [J]. ASTROPHYSICAL JOURNAL, 1952, 116 (02) : 331 - &

[3] RADIAL VELOCITIES OF RR LYRAE FROM COUDE SPECTROGRAMS [J]. ASTROPHYSICAL JOURNAL, 1949, 109 (02) : 208 - 214

[4] SANFORD RF, 1956, AP J, V123

[5] SANFORD RF, 1952, PUB ASP, V64, P135

[6] SPECTROGRAPHIC OBSERVATIONS OF SHORT-PERIOD CEPHEIDS [J]. ASTRONOMICAL JOURNAL, 1948, 54 (02) : 50 - 51

[7] 1941, KL VEROFF BERLIN BAB

[1] KRAFT RP, 1955, THESIS U CALIFORNIA

[2] THE SPECTRUM AND RADIAL VELOCITIES OF W VIRGINIS [J]. ASTROPHYSICAL JOURNAL, 1952, 116 (02) : 331 - &

[3] RADIAL VELOCITIES OF RR LYRAE FROM COUDE SPECTROGRAMS [J]. ASTROPHYSICAL JOURNAL, 1949, 109 (02) : 208 - 214

[4] SANFORD RF, 1956, AP J, V123

[5] SANFORD RF, 1952, PUB ASP, V64, P135

[6] SPECTROGRAPHIC OBSERVATIONS OF SHORT-PERIOD CEPHEIDS [J]. ASTRONOMICAL JOURNAL, 1948, 54 (02) : 50 - 51

[7] 1941, KL VEROFF BERLIN BAB