Mary J. Meixell Nancy C. Shaw Francis D. Tuggle A Methodology for Assessing the Value of Knowledge in a Service Parts Supply Chain. 446-460 2008 38 IEEE Transactions on Systems, Man, and Cybernetics, Part C 3 http://dx.doi.org/10.1109/TSMCC.2008.919175 db/journals/tsmc/tsmcc38.html#MeixellST08