Zaitsev B. А., L. G. Kleptsova, I. D. Shvabskaya, and Bursian А. “Thermo-Oxidative Oligomerization of Aromatic Diamine”. Organic Polymer Material Research, vol. 3, no. 1, Sept. 2021, pp. 24-31, doi:10.30564/opmr.v3i1.3612.