Williams, D.M. (1997). Notes on the diatom species Tetracyclus castellum (Ehrenb.) Grunow with a description of Tetracyclus pseudocastellum nov. sp. Bulletin of the British Museum (Natural History) Botany Series, 27(1): 1-5
269241
Williams, D.M.
1997
Notes on the diatom species Tetracyclus castellum (Ehrenb.) Grunow with a description of Tetracyclus pseudocastellum nov. sp.
Bulletin of the British Museum (Natural History) Botany Series