1. Ainsworth, D. “Implications of Inconsistent Railroad Service,”Papers of the Thirteenth Annual Meeting, Transportation Research Forum. Oxford, Ind.: Richard D. Cross, 1972.
2. Allen, W. B.A Current View of the Eastern Transportation Market. Regional Science Department, University of Pennsylvania, Philadelphia, Pa., 1973.
3. — “A Note on the Economics of Rail Service Reliability,”Railway Management Review, LXXIII, No. 1, 1973, pp. 76–90.
4. —I.C.C. Behavior on Rail Abandonments. Regional Science Department, University of Pennsylvania, Philadelphia, Pa., 1973.
5. — “The Impact of Transport Loss and Damage on Transportation Demand,”Papers of the Fourteenth Annual Meeting, Transportation Research Forum. Oxford, Ind.: Richard D. Cross, 1973.