24 resultados para Self-Study
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National Highway Traffic Safety Administration, Washington, D.C.
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"Contract no. US AEC AT (11-1)1469."
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Mode of access: Internet.
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"Based on papers presented at a technical review conducted by Plog Research, inc., Reseda, California, under NIDA contract no. 271-77 3413 ... on February 14 and 15, 1978, in Reston, Virginia."
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"Technical report AFFDL-TR-67-18"
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Mode of access: Internet.
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"May, 1953."
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"January, 1952."
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Mode of access: Internet.