3Ozdemir, L. , Dollinger, G.L. (1987) . Loboratory studies of High Speed Tunnel Boring [J]. Rapid Excarrion and Tunnel Conference, New Orleans, LS., Vol. 1 : 165 - 187.
4Hartwing S. (1993) . TBM Design and Performance of Today- a rapid Development - Where will it End [J]. Proceedings, 8^th Australian Tunneling Conference, Sydney, Australia: 161 - 169.
