A Proposed Methodology to Characterize the Accuracy of Life Cycle Cost Estimates for DoD Programs. - Erin T. Ryan; David R. Jacques; John M. Colombi; Christine M. Schubert (CSER, 2012)

A Cost-Based Decision Tool for Valuing DoD System Design Options. - Erin T. Ryan; David R. Jacques; J. Ritschel; John M. Colombi (CSER, 2013)

An ontological framework for clarifying flexibility-related terminology via literature survey. - Erin T. Ryan; David R. Jacques; John M. Colombi (Syst. Eng., 2013)