(Q50130238)
Statements
1 reference
Vigilance under Highway Driving Conditions (English)
1 reference
DOBBINS DA
1 reference
TIEDMANN JG
1 reference
SKORDAHL DM
1 reference
D. A. DOBBINS
J. G. TIEDMANN
1 February 1963
1 reference
16
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38
1 reference