Tunnel cost model:
user's manual,
by S.S. Reynoso and D.J. Gray.
APA Citation
Massachusetts Institute of Technology Dept of Civil Engineering. (1975). Tunnel cost model: user's manual. .
MLA Citation
Massachusetts Institute of Technology Dept of Civil Engineering. Tunnel Cost Model: User's Manual. , 1975.
Warning: These citations may not always be complete (especially for serials).