A national problem-solving system : highway safety researchers and decision makers. Final report
Ronald G. Havelock By R.G. Havelock with the assistance of Elizabeth A. Markowitz
Bok Engelsk 1971 Ronald G. Havelock
| Utgitt | Ann Arbor, Mich. , 1971
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| Omfang | 166 s., 53 bl. : ill.
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