Thomasson, Kuno, Nahuel Huapi : : plankton of some lakes in an Argentine national park, with notes on terrestrial vegetation / Kuno Thomasson. - 83 páginas : ilustraciones. - Acta phytogeographica suecica; 42 . ISBN: 9172100427 Subjects--Topical Terms: PLANCTON--ARGENTINA. Subjects--Geographic Terms: NAHUEL HUAPI--PARQUE NACIONAL. Dewey Class. No.: 577.6