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Collection's Items (Sorted by Submit Date in Descending order): 1 to 1 of 1
| Issue Date | Title | Author(s) |
|---|---|---|
| 1990-01 | Tunnel design by rock mass classifications | Pennsylvania State University. Dept. of Mineral Engineering.; Bieniawski, Z. T. |
Collection's Items (Sorted by Submit Date in Descending order): 1 to 1 of 1