Brei, Volodymyr, A Varvarin, Svetlana Levytska, and Ya Glushchuk. “VAPOR-PHASE SYNTHESIS OF LACTIDE FROM ETHYL LACTATE OVER TiO2 SiO2 CATALYST”. Ukrainian Chemistry Journal 85, no. 7 (August 15, 2019): 31–37. Accessed August 3, 2026. https://ucj.org.ua/index.php/journal/article/view/66.