@article{paperid:1011084, author = {Ghafoori, Mohammad and Lashkaripour, Gholam Reza and Tarigh Azali, Sadegh}, title = {Engineering geological characterization of Kallat tunne, NE Iran}, journal = {World Applied Sciences Journal}, year = {2007}, month = {June}, issn = {1818-4952}, keywords = {Rock massm tunnel; discontinity; numerical model; deformation}, }