Author
Institution of Mining and Metallurgy
Jones, M. J. (Michael John), 1938-
2
Alcock, C. B.
1
British Tunnelling Society
1
Brown, E. T. (Edwin Thomas), 1938-
1
Frith, Russell C.
1
Hills, A. W. D.
1
Hoek, Evert
1
Institute of Quarrying
1
Institution of Chemical Engineers
1
Institution of Mechanical Engineers. Process Industries Division
1
Institution of Mining Engineers
1
Ryan, W. (Walter), 1908-
1
Transport and Road Research Laboratory
1
Whittaker, Barry N.
1