Opperman, R. A., A.C. Wicht, and D. J. Newman, "Orbital Collisions and Space Debris - Incidence Impact and International Policy", International Astronautical Congress, Prague, Sept. 2010.

Meyen, F. E., B. Holschuh, R. A. Opperman, R. L. Kobrick, S. Jacobs, and D. J. Newman, "Robotic Joint Torque Testing: A Critical Tool in the Development of Pressure Suit Mobiilty Elements", 41st International Conference on Environmental Systems 2011, Portland, OR, July 2011.

Duda, J. E., R. A. Opperman, A. L. Gilkey, C. De Vivero, D. J. Newman, J. Hoffman, and K. Gilkey, "Space Suit Simulator for EVA Experimentation and Training", NASA Human research Program Investigators' Workshop, Houston, TX, February 13-16, , 2012.

Opperman, R. A., J.M. Waldie, A. Natapoff, D. J. Newman, and A. Jones, "Probability of Spacesuit-Induced Fingernail Trauma is Associated with Hand Circumference", Aviation, Space and Environmental Medicine, vol. 81, pp. 907-913, 10/2010.