1. AFNOR, 1992, Essai des eaux: détermination de l'indice biologique global normalisé
2. Agostini, T. 1983, Effetti del cadmio in un mollusco polmonato d'acqua dolce: Physa acuta, University of Milan
3. Growth, fecundity and glycogen utilization inLymnaea palustris;Baturo;Environ. Toxicol. Chem.,1995
4. Terrestrial snails as quantitative indicators of environmental metal pollution;Berger;Environ. Monit. Assess.,1993
5. On the lifecycle ofLymnaea stagnalis;Berrie;Proc. Malac. Soc. London,1965