1. 1) L.BOGDANDY and R.WARTMAN: Arch. Eisenhüttenw., 36 (1965), p.221
2. 2) V.KOUMP, R.H. TIEN, R.G. OLSSON, and T.F. PERZAK: Mettallurgical Society Conference, 32 (1966), p.125 [Gordon & Breach Science Pub.]
3. 3) A.K. LAHIRI and V.SESHADRI: JISI, 193 (1969), p.293
4. 7) R.H. SPITZER, F.S. MANNING, and W.O. PHILBROOK: Trans. Met. Soc. AIME, 236 (1966), p.1715
5. 10) E.T. TLIRKDOGAN and J.V. VINTERS: Met. Trans., 3 (1971), p.3175