For citations:
Li J., Hu Zh., Song Yu., Huang Yu., Zuev V.V. New route to poly (2, 6–diimidaazo (4,5-b: 4’,5-e) pyridinelene-1,4 (2,5-dihydroxy)-phenylene) (PIPD) and high modulus fiber on it basis. Nanosystems: Physics, Chemistry, Mathematics. 2014;5(6):829-835.