Jiaying Xiao, Tianshuang Wang, Kuan Peng, Xiaokai Zhang and Bo Wang. (2018). Lithography of Aluminum Coated PVDF Annular Array for Photoacoustic Endoscopy.
            <i>Communications in Computational Physics</i>. <i>23</i> (2).
            561-571.
         doi:10.4208/cicp.OA-2017-0066