Development and Application of High-Density Cement-Based Materials: Discussion McN. Alford, N. ; Hjorth, L. ; Mangabhai, R. J. ; Hirsch, Peter ; Moir, G. K. ; Jefferis, S. A. ; Blundell, R. ; Kelly, A. ; Defosse, C. ; Sing, K. S. W. ; Massazza, F. ; Bensted, J. Abstract Publication: Philosophical Transactions of the Royal Society of London Series A Pub Date: September 1983 Bibcode: 1983RSPTA.310..171M