Shahram Ghandeharizadeh Robert R. Meyer Gary L. Schultz Jonathan Yackel Optimal Balanced Assignments and a Parallel Database Application. 151-167 1993 5 INFORMS Journal on Computing 2 http://dx.doi.org/10.1287/ijoc.5.2.151 db/journals/informs/informs5.html#GhandeharizadehMSY93