Saleh, J. H., D. Hastings, and D. Newman, "Weaving Time into System Architecture: Satellite Cost per Operational Day and Optimal Design Lifetime,", Acta Astronautica, vol. 54, no. 2004, pp. 413-431, 2004, 2003.

Saleh, J. H., D. Hastings, and D. Newman, "Weaving Time into System Architecture: Satellite Cost per Operational Day and Optimal Design Lifetime", Acta Astronautica, vol. 54, pp. 413-431, 2004.

Saleh, J.H.., D. Hastings, and D. Newman, "Weaving Time into System Architecture: Satellite Cost per Operational Day and Optimal Design Lifetime", Acta Astronautica, vol. 54, pp. 413-431, 2004.

Saleh, J. H., J. P. Torres-Padilla, D. Hastings, and D. Newman, "To Reduce or to Extend a Spacecraft Design Lifetime?", Journal of Spacecraft and Rockets, vol. 43, no. 1, Jan-Feb 2006.

Saleh, J. H., D. Hastings, and D. Newman, "Spacecraft Design Lifetime", AIAA Journal of Spacecraft and Rockets, vol. 39, no. 2, pp. 244-257, March-April 2002, 2001.

Saleh, J. H., R. Hassan, J. P. Torres-Padilla, D. Hastings, and D. Newman, "Impact of Subsustem Reliability on Satellite Revenue Generation and Present Value", AIAA Journal of Spacecraft and Rockets, vol. 42, no. 6, Nov-Dec, 2005.

Saleh, J. H., D. Hastings, and D. Newman, "Flexibility in System Design and Implications for Aerospace Systems", Acta Astronautica, vol. 53, no. 2003, pp. 927-944, 2003.

Saleh, J. H., E. Lamassoure, D. Hastings, and D. Newman, "Flexibility and the Value of On-Orbit Servicing: A New Customer-Centric Perspective", AIAA Journal of Spacecraft and Rockets, vol. 40, no. 2, pp. 279-291, March-April 2003.

Saleh, J.H.., J. P. Torres-Padilla, D. Hastings, and D. Newman, "To Reduce or to Extend a Complex Engineering System Design Lifetime? What is at Stake, for Whom, and How to Resolve the Dilemma", AIAA International Communications Satellite Conference, Monterrey, CA, 9-12 May 2004.

Saleh, J. H., J. P. Torres-Padilla, D. Hastings, and D. Newman, "To Reduce or to Extend a Complex Engineering System Design Lifetime? What is at Stake, for Whom, and How to Resolve the Dilemma", AIAA International Communications Satellite Conference, Monterrey, CA, 9-12 May 2004.

Richards, M. G., D. Hastings, and D. Newman, "Technological Emergence and Adaption: the Case of Earth-Orbiting Satellites", Atlanta Conference on Science, Technology, and Innovation Policy 2007, Atlanta, GA, Oct. 19-20, 2007.

Saleh, J. H., W. N. Kaliardos, D. Hastings, R. J. Hansman, and D. Newman, "On Flexibility in System Design", 11th Annual INCOSE International Systems Engineering Symposium (INCOSE 2001), Melburne, Australia, July 2001, 2001.

Saleh, J. H., D. Hastings, and D. Newman, "Extracting the Essence of Flexibility in System Design", 3rd NASA/DoD Workship on Evolvable Hardware, Long Beach, CA, July 2001.

Saleh, J. H., D. E. Marais, D. Hastings, and D. Newman, "The Case for Flexibility in System Design", INCOSE 2002 International Symposium, Las Vesgas, Nevada, July 28-August 1, 2002.

Saleh, J. H., K. S. Mariais, D. Hastings, and D. Newman, "The Case for Flexibility in System Design", 12th Annual INCOSE Insternational Systems Engineering Symposium (INCOSE 2001), Las Vegas, NV, July-August 2002.