Siver, Peter A. Diatoms of North America: / The freshwater flora of cape cod. Massachusetts, U.S.A. Peter A. Siver, - Königstein A.R.G. Gantner V.K 2005 - 463 p. il. p&b: 27 cm - Iconographia Diatomologica v. 14 . ISBN: 3-906166-17-1 Subjects--Topical Terms: Diatomácias Dewey Class. No.: 579.85