Economy of scale in the metal removal industry

von Alpert, S. B.
Veröffentlicht in The journal of industrial economics (1959)

Coal utilization for advanced power generating systems and pipeline gas

von Alpert, S. B.
Veröffentlicht in World Energy Conference (10 : 1977 : Istanbul) 10th World Energy Conference, Istanbul, Turkey, Sept. 19-23,1977 ; Division 3: Conservation of primary energy (1977)

Economies of scale: some statistical evidence: comment

von Schuman, S. C.
Veröffentlicht in The quarterly journal of economics (1960)