Studies in the Economics of Transportation R. M. Thrall; M. Beckmann; C. B. McGuire; C. B. Winsten Econometrica 1958 26(1), 183
Economic Efficiency in Plant Operations with Special Reference to the Marketing of California Pears Frederick V. Waugh; Ben C. French; L. L. Sammet; R. G. Bressler Econometrica 1958 26(2), 333