Tse, Edward Cho-che (1979). Adaptable method in tunnel design and construction: a formalized decision model. M.S. thesis, Massachusetts Institute of Technology. http://library.mit.edu/item/000107557
Tse, Edward Cho-che (1979). Adaptable method in tunnel design and construction: a formalized decision model. M.S. thesis, Massachusetts Institute of Technology. http://library.mit.edu/item/000107557