1. The Emergence of Grade A Eggs as a Major Source of Salmonella enteritidis Infection;St. Louis;J. Amer. Med. Assoc.,1988
2. Optimal replacement problems are a major concern for nearly all firms. The question can be phrased in terms of: When do I replace a tractor with an identical tractor? Or at what age do I replace this laying hen with an identical hen? The original problem explored by Faustmann was: When do I cut down a forest for timner and plant a replacement forest?
3. Berechnung des Werthes, Welchen Waldboden sowie noch nicht haubare Holzbestaende fuer die Waldwirtschaft Besitzer;Faustmann;Allg. Forst und Jagd Zeitung,1849
4. Concepts of Financial Maturity of Timber and Other Assets;Gaffney,1957
5. Analytical Techniques Used in Determining the Optimum Replacement Pattern;Faris;J. of Farm Econ.,1960