M. J. Rüther, S. H. Klippstein, S. Ponusamy, T. Rüther, and H.-J. Schmid, “Flowability of polymer powders at elevated temperatures for additive manufacturing,”10.1016/j.powtec.2023.118460__Powder Technology, vol. 422, Art. no. 118460, 2023, doi:10.1016/j.powtec.2023.118460 .

S. H. Klippstein, I. Kletetzka, I. Sural, and H.-J. Schmid, “Influence of a prolonged shelf time on P laser sintering powder and resulting part properties,”https://doi.org/10.1007/s00170-023-11243-1__The International Journal of Advanced Manufacturing Technology , 2023, doi:https://doi.org/10.1007/s00170-023-11243-1 .

M. J. Rüther, S. H. Klippstein, and H.-J. Schmid, “Correlation between SLS-Powder processability and particle properties ,” in PARTEC International Congress on Particle Technology - Book of Abstracts, Nürnberg, 2023, pp. 172–176.

S. H. Klippstein, “Reproducibility in Polymer Laser Sintering,” presented at the Public Science Session of the DMRC Technical Meeting Feb 2022, Online, 2022.

S. H. Klippstein, “Neue Polymerwerkstoffe - Der Schlüssel für die Industrialisierung,” presented at the AM Forum Berlin, Berlin, 2022.

M. J. Rüther, S. H. Klippstein, S. Ponusamy, S. Jesinghausen, and H.-J. Schmid, “Innovative Werkstoffherstellung für das Polymer Laser Sintern – Teil 2,” Werkstoffe, vol. 6, pp. 18–19, 2022.

M. J. Rüther, S. H. Klippstein, S. Ponusamy, S. Jesinghausen, and H.-J. Schmid, “Innovative Werkstoffherstellung für das Polymer Laser Sintern – Teil 1,” Werkstoffe, vol. 5, pp. 28–29, 2022.

M. J. Rüther, S. H. Klippstein, and H.-J. Schmid, “Flowability of polymer powders at elevated temperatures for additive manufacturing,” Madrid, 2022.

S. H. Klippstein, F. Heiny, N. Pashikanti, M. Gessler, and H.-J. Schmid, “Powder Spread Process Monitoring in Polymer Laser Sintering and its Influences on Part Properties,”https://doi.org/10.1007/s11837-021-05042-w __JOM - The Journal of The Minerals, Metals &; Materials Society (TMS), vol. 74, pp. 1149–1157, 2022, doi:https://doi.org/10.1007/s11837-021-05042-w  .

S. H. Klippstein and H.-J. Schmid, “Powder Spread Flaws in Polymer Laser Sintering and its Influences on Mechanical Performance,” 2022.

I. Kletetzka and S. H. Klippstein, “Pulver im 3D-Druck - von Mascarabürsten bis zum Interieur eines Mini-Coopers (Vortrag),” presented at the 3D-DRUCK HAUTNAH - Der Einfluss einer Zukunftstechnologie auf unser Leben, Paderborn, 2022.

I. Kletetzka, S. H. Klippstein, and H.-J. Schmid, “Shelf Life of Polyamide 12 () Laser Sintering Powder,”http://dx.doi.org/10.26153/tsw/44555__in Proceedings of the 33th Annual International Solid Freeform Fabrication Symposium, Austin, 2022, vol. 33, doi:http://dx.doi.org/10.26153/tsw/44555 .

S. H. Klippstein, “Online Monitoring des Beschichtungsprozesses im Laser Sintern, Systementwicklung und Einflussanalyse,” presented at the Rudolstädter Kunststofftage 2021, Tudolstadt, 2021.

D. Menge, S. H. Klippstein, and H.-J. Schmid, Additive Leichtbaustrukturen für die Flugzeugkabine. 2020.

S. H. Klippstein and H.-J. Schmid, “Methodik zur Qualifizierung des Lasersinter Prozesses für die Serienfertigung,”10.3139/9783446462441.025__2019, doi:10.3139/9783446462441.025 .

S. H. Klippstein, A. Duchting, T. Reiher, F. Hengsbach, D. Menge, and H.-J. Schmid, “Devolopment, Production and post-processing of a topology optimized aircraft bracket ,” in 30th Annual International Solid Freeform Fabrication Symposium, 2019, vol. 30, pp. 1932–1945.

S. H. Klippstein, H. Hassanin, A. Diaz De Cerio Sanchez, Y. Zweiri, and L. Seneviratne, “Additive Manufacturing of Porous Structures for Unmanned Aerial Vehicles Applications,”10.1002/adem.201800290__Advanced Engineering Materials, vol. 20, no. 2, Art. no. 1800290, 2018, doi:10.1002/adem.201800290 .

S. H. Klippstein, A. Diaz De Cerio Sanchez, H. Hassanin, Y. Zweiri, and L. Seneviratne, “Fused Deposition Modeling for Unmanned Aerial Vehicles (UAVs): A Review,”10.1002/adem.201700552__Advanced Engineering Materials, Art. no. 1700552, 2017, doi:10.1002/adem.201700552 .