Proceedings, 1972 National Conference on Railroad-Highway Grade Crossing Safety, August 29-31, 1972 : held at the Ohio State University, Columbus, Ohio /
| Corporate Authors: | , , , |
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| Format: | Conference Proceeding Book |
| Language: | English |
| Published: |
[Columbus, Ohio] :
[publisher not identified],
[1972?]
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| Subjects: |
| Item Description: | Cover title. |
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| Physical Description: | viii, 63 pages, 4 unnumbered pages of plates : illustrations (some color) ; 28 cm. |