FishTraits version 2: integrating ecological, biogeographic and bibliographic information. - Zhiwu Xie; Emmanuel A. Frimpong; Sunshin Lee (JCDL, 2013)

Modifying the United States National Hydrography Dataset to improve data quality for ecological models. - Jian Huang; Emmanuel A. Frimpong (Ecol. Informatics, 2016)