1. Mathematical Analysis for Economists;Allen,1932
2. Economics of scale in bus transit: a review and some new evidence;Berechman,1983
3. Analysis of costs, economics of scale and factor demand in bus transit;Berechman;J. Trans. Econ. Policy,1983
4. The translog cost function and the substitution of equipment, structures and labor in U.S. manufacturing 1929–1968;Berndt;J. Econometrics,1973
5. Technology, prices, and the derived demand for energy;Berndt;Rev. Econ. Statist.,1975