1. (1) M.Katsurai, et al. : “Experimental studies of the merging effect of two spheromak plasmas with parallel or anti-parallel toroidal fluxes”, T. IEE Japan, Vol.107-A, No.2, pp.65-72 (1987-2) (in Japanese)
2. (2) Y.Ueda, et al. : “High power heating experiment of spherical tokamaks by use of plasma merging”, T. IEE Japan, Vol.119-A, No.11, pp.1319-1323 (1999-11) (in Japanese)
3. (3) H.Hayashiya, et al.:“Transition phenomena from reversed field pinch with ohmic heating current drive to low q spherical tokamak”, J. Japan Society Applied Electromagnetics & Mechanics, Vol.10, No.2, pp.223-229 (2002) (in Japanese)
4. (4) H.Hayashiya, et al.:“Measurements of electron density profile characteristics in various kinds of plasma configurations in the TS-3 plasma merging device”, T. IEE Japan, Vol.122-A, No.6, pp.569-574 (2002-6) (in Japanese)
5. (5) H.Hayashiya, et al. : “Dynamical movements of electron density profiles in spherical tokamak merging processes”, T. IEE Japan, Vol.122-A, No.6, pp.575-581 (2002-6) (in Japanese)