Yao, Hong, Sai Li, Xiao-Bo Qi, Yong Huang, and Wen-Zhan Zhang. 2012. “Investigation on Surface Roughness of Polyimide Film from Vapour Deposition Polymerization”. Asian Journal of Chemistry 25 (4):1819-25. https://doi.org/10.14233/ajchem.2013.13164.