Nahuel Huapi - plankton of some lakes in an Argentine national park, with notes on terrestrial vegetation
Uppsala 1959. 83 pp. Sewn. A few illustrations in b/w. Acta phytogeographica Suecica 42. Mostly uncut. Front part of cover with some 1-5 cm folds at cut corners. Rear part with partial fading. Dedication from author in ink on title page. 27x20.2x0.7 cm, 343 g