Long Wu, Kit-Lun Yick, Zerance Ng and Joanne Yip. (2013). Micromechanical Analysis of Flexible Low Density Open-Cell Foam with Unit Cell in Moulding Process Using Finite Element Method.
            <i>Journal of Fiber Bioengineering and Informatics</i>. <i>6</i> (3).
            253-263.
         doi:10.3993/jfbi09201303