@inbook{ERMS:SourceID:384532, author = {Jones, A.}, journal = {Keys to the Trematoda. Vol. 2.}, title = {Introduction and key to subfamilies. In: Jones, A., Bray, R.A. & Gibson, D.I. [Eds].}, url = {http://marbef.org/data../aphia.php?p=sourcedetails&id=384532}, year = {2005} }