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RESEARCH ARTICLES
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| SHELL VARIATION IN HELICODONTA OBVOLUTA (O. F. MÜLLER, 1774) (GASTROPODA: PULMONATA: HELICIDAE S. LATO) |
| TOMASZ K. MALTZ |
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| MALACOFAUNA OF TWO HYDROLOGICALLY DIFFERENT HABITATS IN THE NEAR-SHORE ZONE OF THE WŁOCŁAWEK DAM RESERVOIR (VISTULA RIVER, POLAND) |
| JANUSZ ŻBIKOWSKI, TOMASZ KAKAREKO, MAŁGORZATA POZNAŃSKA, JAROSŁAW KOBAK |
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| FEEDING RATE OF DEROCERAS RETICULATUM (O. F. MÜLLER, 1774) (GASTROPODA: PULMONATA: AGRIOLIMACIDAE) ON HERBS AND OILSEED RAPE |
| JAN KOZŁOWSKI, MARIA KOZŁOWSKA |
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| CURRENT KNOWLEDGE OF THE DISTRIBUTION OF INVASIVE MOLLUSC SPECIES IN SLOVAKIA |
| JOZEF ŠTEFFEK |
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