1. Hauglan E. Haarberg , G. M. Thisted E. Thonstad J. TMS Light Metals, 2001, J Anjier Ed. p.549-553 (2001)
2. Taberaux , A.T. TMS Light Metals, W. Hale, Ed. p.319-326, (1996)
3. Goodes , C.G. S.H. Algie TMS Light Metals: P Campbell Ed. p. 199-207. (1989)
4. Zhang , W. Liu X. McMaster P. Taylor M. TMS Light Metals 1996: W. Hale Ed. p. 405-411. (1996)