Ren, Dakai; Frazier, Charles E. (2012). "Wood/adhesive interactions and the phase morphology of moisture-cure polyurethane wood adhesives". International Journal of Adhesion and Adhesives. 34: 55–61. doi:10.1016/j.ijadhadh.2011.12.009. ISSN0143-7496.
Ren, Dakai; Frazier, Charles E. (2012). "Wood/adhesive interactions and the phase morphology of moisture-cure polyurethane wood adhesives". International Journal of Adhesion and Adhesives. 34: 55–61. doi:10.1016/j.ijadhadh.2011.12.009. ISSN0143-7496.