Truck drivers. Fatigue and hours of service of interstate truck drivers [with list of references], by Benjamin F. Jones, Robert H. Flinn, E. Cuyler Hammond; [Special] sections [with lists of references] by Wallace H. Wulfeck, Richard H. Lee, D. D. Donahue, Heinz Specht, H. D. Baernstein, Ralph C. Channell, J. Walter Hough.