References
Bumba, V.: 1960, Izv. Krymsk. Astr. Obs. 23, 212.
Engvold, O.: 1966a, Inst. Theor. Astr., Univ., Oslo, Report No. 17.
Engvold, O.: 1966b, Astrophysica Norvegica 10, 101.
Mustel, É. R. and Tsap, T. T.: 1960, Izv. Krymsk. Astr. Obs. 22, 75.
Paciorek, J.: 1965, 3rd Cons. on Solar Physics and Hydrodynamics, Akad. of Sciences, Astr. Inst., Publ. No. 51, 69.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Engvold, O. On the K line of CaII in sunspots. Sol Phys 2, 234–236 (1967). https://doi.org/10.1007/BF00155926
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF00155926