Galba truncatula (Gastropoda, Lymnaeidae): First findings on populations showing a single annual generation in lowland zones of central FranceDaniel Rondelaud, Philippe Hourdin, Philippe Vignoles and Gilles DreyfussAnn. Limnol. - Int. J. Lim., 45 1 (2009) 51-54DOI: https://doi.org/10.1051/limn/09006