Devaux, J., Legras, R., Leblanc, D., Daoust, D., & Nield, E. (1989). Characterization and Chemical Nucleation of a Polyaryletherether Ketone (peek). Societes Chimiques Belges. Bulletin, 98(9-10), 677-689. https://doi.org/10.1002/bscb.19890980909 (Original work published 1989)