Safety methodology in rail rapid transit system development ; special study /
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| Format: | Book |
| Language: | English |
| Published: |
Washington :
National Transportation Safety Board,
1973.
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| Series: | Report (United States. National Transportation Safety Board) ;
no. NTSB-RSS-73-1. |
| Subjects: |
| Item Description: | "PB 223-157" "Adopted: August 8, 1973". "This Special Study contains Railroad Safety Recommendations R-73-33 through R-73-37"-- p.ii. |
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| Physical Description: | iii, 42 pages : illustrations ; 27 cm. |