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with Bouillet, E.; Saniee, I. (2000). “Algorithms for DWDM Mesh Network Design: Routing and Wavelength Assignment for Dedicated Protection, Ring Auto-Recovery and Optical Cross-Connect Restoration in Core Optical Networks”. Bell Laboratories Technical Memorandum 10009626-000126-01TM (Murray Hill, New Jersey).
with Stern, T. E. (1999). “An Algorithm for Optimal Routing and Wavelength Assignment on a Bi-directional Ring”. Bell Laboratories Technical Memorandum BL0112120-990610-10TM (Murray Hill, New Jersey).