da Silva-Buzanello, Rosana Aparecida, et al. “L-Lactide Polymerization in the Presence of Gaseous Nitrogen”. Semina: Ciências Exatas E Tecnológicas, vol. 35, no. 2, Oct. 2014, pp. 199-06, doi:10.5433/1679-0375.2014v35n2p199.