Letters to the Editor

—To the Editor: Re: Queuing Theory: Two Nations by Ernest Koenigsberg, School of Business Administration, University of California at Berkeley;

—To the Editor: Re: “Quickening the Queue in Grocery Stores,” by Jones, O'Berski and Tom, Interfaces June 1980 by Robert G. Chamberlain, Operations Research Group, Jet Propulsion Laboratory, California Institute of Technology;

—The Authors' Reply by Michael T. Jones, Arlene M. Oberski, and Gail Tom, School of Business and Public Administration, California State University at Sacramento;

—To the Editor: Re: On-line Scheduling by Hodgson, February 1980 issue, p. 77 by Glenn T. Wilson, Management Science Department, Southern Illinois University;

—To the Editor: Re: Nahmias, Steven, 1980, “The Use of Management Science to Support a Multimillion Dollar Precedent-Setting Government Contract Litigation,” Interfaces Vol. 10, No. 1, p. 1 by J. W. Hargrove, Jr., Department of Operations Research, Naval Post Graduate School;

—The Author Responds by Steven Nahmias, Graduate School of Business, The University of Santa Clara;

—To the Editor: Re: Doll, Loren, C., “Quick and Dirty Vehicle Routing Procedure,” Interfaces February, 1980, pp. 84–85 by David Ronen, School of Business Administration, University of Missouri-St. Louis;

—Call for Papers: Mathematical Programming With Data Perturbations (Third Symposium on Mathematical Programming with Data Perturbations at The George Washington University, May 21–22, 1981.) by Anthony V. Fiacco, Department of Operations Research, School of Engineering and Applied Science, The George Washington University, Washington, D.C.