1. On the remarkable similarity between the sunspot and the type II superconductor magnetic vortex;Saniga;Ph.D. thesis,1990
2. A sunspot as the macroscopic analog of a magnetic vortex in a type II superconductor;Saniga;Sov. Astron.,1992
3. Numerical analysis of a static cylindrically symmetric Abelian Higgs sunspot;Klačka;Contr. Astron. Obs. Skalnaté Pleso,1992
4. Sunspot observations favour K = 1√2 Abelian Higgs vortices;Saniga;Astrophys. Space Sci.,1993