Koichi Goda, MS Sreekala, Alexandre Gomes, Takeshi Kaji, Junji Ohgi «Improvement of plant based natural fibers for toughening green composites -- Effect of load application during mercerization of ramie fibers». Composites, Part A: Applied Science and Manufacturing, 37, 2006, pàg. 2213 – 2220. DOI: 10.1016/j.compositesa.2005.12.014.