(s, S) Policies for a Dynamic Inventory Model with Stochastic Lead Times. - Richard Ehrhardt (Oper. Res., 1984)

Finished goods management for JIT production: New models for analysis. - Richard Ehrhardt (Int. J. Comput. Integr. Manuf., 1998)

Secure Integration of eBusiness Processes in the Extended-Enterprise. - Fergle D'Aubeterre; Rahul Singh; Lakshmi S. Iyer; Richard Ehrhardt (AMCIS, 2007)

Discovery Process in a B2B eMarketplace: A Semantic Matchmaking Approach. - Fergle D'Aubeterre; Lakshmi S. Iyer; Richard Ehrhardt; Rahul Singh (Int. J. Intell. Inf. Technol., 2009)