1. 5) A. Gagnoud, D. Delage and M. Garnier : The 4th Beer-Sheva Seminar on MHD Flows and Turbulance, Beer-Sheva, Israel. Feb.27-March 2, (1984), p.634
2. 6) M. Kuwabara, H. Nakata, K. Sassa and S. Asai : Proc. of The Sixth Int. Iron and Steel Congress, Nagoya, Vol. 4, (1990), p.246