Performance '83 : proceedings of the 9th International Symposium on Computer Performance Modelling, Measurement, and Evaluation, College Park, Maryland, U.S.A., May 25-27, 1983 - Tripathi, S. K. (Satish K.), 1951-; Agrawala, Ashok K. (North Holland Pub. Co. ; Sole distributors for the U.S.A. and Canada, Elsevier Science Pub. Co., 1983)