Wüst, P., Dohmen, T.S., Waal, A., Spiehl, D., Dörsam, E., Blaeser, A. and Kabisch, J. 2022. Use of Bacillus subtilis spores in printing and additive manufacturing as a robust, DNA‑based anti‑counterfeiting and identification feature: stresses, processing and evaluation. Journal of Print and Media Technology Research. 11, 3 (Nov. 2022), 171–181.