Colorado, H.A., et al. (2023). Additive manufacturing in armor and military applications: research, materials, processing technologies, perspectives, and challenges. Journal of Materials Research and Technology, Vol. 27, 3900-3913. Available at: https://www.sciencedirect.com/science/article/pii/S2238785423028041#bib72.
Kiley, M. (2022). Impact of the NNI on the U.S. economy: at least $42 billion in one year! National Nanotechnology Initiative. Available at: https://www.nano.gov/node/5257.