Rossa-Feres, Denise C. Anurans from the Serra da Bocaina National Park and surrounding buffer area, southeastern Brazil. Check List. 2014, 10 (2): 308–316.
(页面存档备份,存于互联网档案馆) History of Dolgellau (页面存档备份,存于互联网档案馆) Dolgellau Archives Dolgellau Cricket Club www.geograph.co.uk : photos of Dolgellau and surrounding area
Paleontological Research in Grand-Staircase Escalante National Monument and Surrounding Area I, abstract (页面存档备份,存于互联网档案馆). Gillette, D.D., Albright, L.B. III
Gillnetting the Copper River Delta, Alaska (页面存档备份,存于互联网档案馆) Video: Tangle Net Fishing on the Columbia River (页面存档备份,存于互联网档案馆) Manual on estimation of selectivity