Sobecki, P. P., and R. Ukielski. “Synthesis of poly(L-Lactic-Co-Glycolic Acid) Telechelic Prepolymers by Direct Melt Polycondensation, and Their Characterization”. Polimery, vol. 51, no. 7-8, Aug. 2022, pp. 588-93, http://ichp.vot.pl/index.php/p/article/view/1561.