Spady Richard H Econometric estimination of cost functions for the regulated transporation industries - New York Garland Publishers 1979 - 222p. cm. - Outstanding dissertations in economics . Bibliography p220-222; Appendix p203-213 (1-3) Standard No.: 135,244 Source: Textual Subjects--Topical Terms: ECONOMICS Dewey Class. No.: X4:46:(B).73, L9