1. Polyamides from reaction of aromatic diacid halide dissolved in cyclic nonaromatic oxygenated organic solvent and an aromatic diamine;Hill,1961
2. Process of making wholly aromatic polyamides;Kwolek,1962
3. Aromatic polyamide;Mark;J. Polym. Sci.,1962
4. Kevlar Aramid Fiber;Yang,1993
5. Aramid fibers;Kathiervelu;Synthetic Fibres,2003