Zhang, Y. H., et al. “Evaluation of the Effect of N,N’-bis(1H-Benzotriazole) Dodecanedioic Acid Acethydrazide on poly(L-Lactic Acid)”. Polimery, vol. 61, no. 11-12, Jan. 2021, pp. 773-9, doi:10.14314/polimery.2016.773.