DÍAZ VILLANUEVA, Verónica - MAIDANA, Nora I. Diatoms (Bacillariophyceae) from Pulmarí lake (Neuquén, Argentina). In Biologia. Section A. Section B. Section C, Botany. Zoology. Cellular and molecular biology. ISSN 0006-3088. ISSN 1335-6372. ISSN 1335-6380. ISSN 1335-6399, 1999, roč. 54, č. 1, s. 1-10.