National Research Council (U.S.), National Research Council (U.S.). Air Force Studies Board, United States. Dept. of the Air Force, National Research Council (U.S.). Committee on Pre-Milestone A Systems Engineering: A Retrospective Review and Benefits for Future Air Force Systems Acquisition, National Research Council (U.S.). Division on Engineering and Physical Sciences, & ebrary, Inc. (2008). Pre-milestone A and early-phase systems engineering: A retrospective review and benefits for future Air Force systems acquisition. National Academies Press.

National Research Council (U.S.), National Research Council (U.S.). Air Force Studies Board, United States. Dept. of the Air Force, National Research Council (U.S.). Committee on Pre-Milestone A Systems Engineering: A Retrospective Review and Benefits for Future Air Force Systems Acquisition, National Research Council (U.S.). Division on Engineering and Physical Sciences, и Inc ebrary. Pre-milestone A and Early-phase Systems Engineering: A Retrospective Review and Benefits for Future Air Force Systems Acquisition. Washington, D.C.: National Academies Press, 2008.

National Research Council (U.S.), et al. Pre-milestone A and Early-phase Systems Engineering: A Retrospective Review and Benefits for Future Air Force Systems Acquisition. National Academies Press, 2008.