1. 1) O. RICHMOND and R.H. TIEN: J. Mech. Phys. Solid, 19 (1971) p.273
2. 2) F. OETERS and K. SARDEMAN: Arch. Eisenhüttenw. 45, (1974) 11, p.737
3. 4) A. GRILL, K. SOLIMACHI, and J.K. BRIMACOMBE: Met. Trans., 7B (1976), p.177
4. 5) K. KINOSHITA, G. KASAI, and T. EMI: Sheffield International Conference on Solidification and Casting (Sheffield University, Preprint 2 (18 21 July, 1977 43)
5. 7) S.P. TIMOSHENKO and J.N. GOODIER: Theory of Elasticity (1970, New York), p.15 [McGraw-Hill Co.]