1. Lectures on Functional Equations and Their Applications;Aczel,1966
2. Absolute medians of a graph and the p-median problem with the maximum distance constraints;Church,1976
3. An optimal approach to an expanded form of the location set covering problem;Church,1975
4. Conference on Price Measurement;Diewert,1983
5. Location and Layout Planning — An International Bibliography;Domschke,1985