@article{ERMS:SourceID:285080, author = {Nicoll, W.}, journal = {Quarterly Journal of Microscopical Science, New Series}, issue = {3}, pages = {391-487.}, title = {Studies on the structure and classification of the digenetic trematodes.}, url = {http://www.marbef.org/data./aphia.php?p=sourcedetails&id=285080}, volume = {53}, year = {1909} }