@article{ERMS:SourceID:47806, author = {Williams, G.C.}, journal = {Proc. Calif. Acad. Sci.}, title = {Index Pennatulacea: annotated bibliography and indexes of the Sea Pens (Coelenterata: Octocorallia) of the World 1469-1999}, url = {http://marbef.org/data/aphia.php?p=sourcedetails&id=47806}, year = {1999} }