1. J. R. Wynnyckyj and T. Z. Fahidy:Met. Trans., 1974, vol. 5, pp. 991–1000.
2. S. R. B. Cooke and W. Stowasser:Trans. AIME, 1952, vol. 193, pp. 1223–30. S. R. B. Cooke and T. E. Ban:Ibid, pp. 1053-58.
3. C. O. Beate, J. E. Appleby, P. Butterfield, and P. A. Young: Special Report No. 78, pp. 50–62, Iron and Steel Inst., London, 1964.
4. W. Callender:Agglomeration, W. A. Knepper, ed., (AIME Symposium), pp. 641–68, Interscience, New York, 1962.
5. E. H. Bracken, J. C. Taylor, and M. D. Sopko:Pyromet. Processes in Non- ferrous Met., J. N. Anderson and P. Queneau, eds., pp. 361–84, mGordon Breach, 1967.