Diatoms (Bacillariophyceae) from Pulmarí lake (Neuquén, Argentina) / Verónica Díaz Villanueva, Nora I. Maidana. Biologia. Section A. Section B. Section C, Botany. Zoology. Cellular and molecular biology Roč. 54, č. 1 (1999), s. 1-10