Krammer, K. (1982). Valve morphology in the genus Cymbella C.A. Agardh. Micromorphology of Diatom Valves; Helmcke & Krammer (ed.). J. Cramer, Vaduz,, 11: 299 pp.
268674
Krammer, K.
1982
Valve morphology in the genus Cymbella C.A. Agardh
Micromorphology of Diatom Valves; Helmcke & Krammer (ed.). J. Cramer, Vaduz,