1. Ch. A. Harper, Modern plastics handbook. Technology Seminars, Inc., Lutherville, Maryland, (1999).
2. E. J. North, R. U. Halden, Plastics and Environmental Health: The Road Ahead. Rev Environ Health (2013). Information on https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3791860.
3. D. Mihov, B. Katerska, Some Biocompatible Materials Used in Medical Practice. Trakia Journal of Sciences, Vol. 8, Suppl. 2, (2010) pp.119-125. Information on https://pdfs.semanticscholar.org/b083/a7c4a7e4de6ffc4525e1d13a0839f322db80.pdf.
4. R. Păcurar, A. Păcurar, Applications of the Selective Laser Melting Technology in the Industrial and Medical Fields, in: I.V. Shishkovsky (Ed.), New Trends in 3D Printing, IN-Tech, Rijeka, (2016).
5. C. Cosma, N. Bâlc, M. Moldovan, L. Morovič, P. Gogola, C. Miron Borzan, Post-processing of customized implants made by laser beam melting from pure Titanium, J. Optoelectron. Adv. M. 11-12 (2017) 738-747.