Alksnis, O.; Zacs, L. (May 1994). "The Violet Opacity in the Red Peculiar Stars (II). Spectral Analysis of the Cool Carbon Stars WZ CAS and V CYG". Astrophysics and Space Science. 215 (1): 73–82. Bibcode:1994Ap&SS.215...73A. doi:10.1007/BF00627461. S2CID117515681.
Alksnis, O.; Zacs, L. (May 1994). "The Violet Opacity in the Red Peculiar Stars (II). Spectral Analysis of the Cool Carbon Stars WZ CAS and V CYG". Astrophysics and Space Science. 215 (1): 73–82. Bibcode:1994Ap&SS.215...73A. doi:10.1007/BF00627461. S2CID117515681.
Alksnis, O.; Zacs, L. (May 1994). "The Violet Opacity in the Red Peculiar Stars (II). Spectral Analysis of the Cool Carbon Stars WZ CAS and V CYG". Astrophysics and Space Science. 215 (1): 73–82. Bibcode:1994Ap&SS.215...73A. doi:10.1007/BF00627461. S2CID117515681.