Barry Fegan Will
British Tunnelling Society
Niko Rollmann
L. I. Machulin
Jane Price
R. K. Goel
Geoff Marshall
E. S. Bernard
Denis Montagne
Gaye E. Gindy
Aleš Svoboda
Gianluca Padovan
World Congress of Engineers and Architects in Israel (3rd 1973 Tel-Aviv, Israel)
W.G Pariseau
Emile van der Taelen
N. S. Bulychev
International Conference on Underground Spaces--Design, Engineering and Environmental Aspects (1st 2008 Wessex Institute of Technology)
W. G. Pariseau
Seidel, Peter