Drummer, Dietmar, Ron Gustav Harder, Gerd Witt, Andreas Wegner, Katrin Wudy, and Maximilian Drexler. 2015. “Long-Term Properties of Laser Sintered Parts of Polyamide 12 - Influence of Storage Time and Temperature on the Aging Behavior”. International Journal of Recent Contributions from Engineering, Science & IT (iJES) 3 (1):pp. 20-27. https://doi.org/10.3991/ijes.v3i1.4289.