London leaning tower. ppt. informatic
Method of Excavaton of Tunnels
Rock engineering and design (Papers)
Tunnel Blasting Techniques
InTech-Special Tunnel Blasting Techniques for Railway Projects
Alex Spathis, R.N. Gupta-Tunneling in Rock by Drilling and Blasting-CRC Press (2012).pdf
Dissertation Tobias Weisenberger
