1. “Consumption of Automobiles in the United States,”;Bennett;Amer. Econ. Rev.,1967
2. “ĽAmortissement-Dépréciation de Automobiles,”;Boiteux;Revue de Statistique Appliquée,1956
3. “The Costs of Automobile Model Changes Since 1949,”;Franklin;Jour. Pol. Econ.,1962