Media type: Book Title: A key to the British fresh- and brackish-water Gastropods Contributor: Macan, T. T. [Author] imprint: Ambleside: Freshwater Biological Association, 1969 Published in: Freshwater Biological Association: Scientific publication / Freshwater Biological Association ; 13 Issue: 3. ed. Extent: 44 S. Language: English RVK notation: WP 1093 : Serien und Fortschrittsberichte zum Gesamtgebiet der Wirbellosen (Protozoa und Metazoa) Origination: Footnote: