1. Abramovitz, M. Inventories and Business Cycles with Special Reference to Manufactures Inventories. National Bureau of Economic Research. New York: The Gallery Press, 1950.
2. Belsley, D.A.: Inventory Production Behavior: The Order Stock Distinction. Amsterdam: North Holland Publishing, 1969.
3. Box, G.P., and G.M. Jenkins: Time Series Analysis: Forecasting and Control. San Francisco: Holden-Day, 1970.
4. Childs, G.L.: Unfilled Orders and Inventories: A Structural Analysis. Amsterdam: North Holland Publishing, 1967.
5. Chow, G.C.: “Test of Equality Between Sets of Coefficients in Two Linear Regressions.” Econometrica, 28 (1960), 591–605.