organized by the Institution of Mining and Metallurgy ; edited by M. J. Jones. organized by the Institute of Mathematics and Its Applications ; edited by D. Jacobs. organized by the Institute of Mathematics and its Applications ; edited by D. Jacobs. organised by the Institute of Mathematics and its application ; edited by P.A. Cook. organized by the Institution Of Mining and Metallurgy and held in London, England, from 3 to 4 April, 1990. organised by the Institute of Mathematics and its Applications ; edited by L. C. W. Dixon. organised by the Institution of Metallurgists. Symposium organized by the Institution of Mining and Metallurgy organized by the Institution of Civil Engineers, held in London on 22-24 June 1981. organised by the Institute of Mathematics and its applications; edited by O.L.R. Jacobs...[et al.].