Conchology of endangered freshwater pearl mussel: conservation palaeobiology applied to museum shells originating from northern FinlandAuthors: Samuli Helama | Jan Kresten Nielsen | Ilmari ValovirtaPublished in Bollettino Malacologico, in 2007, in volume 43, issue 9-12, pages 161-170Created: 2016-06-27, modified: 2016-06-27