Aplexa hypnorum (Gastropoda: Physidae) exerts competition on two lymnaeid species in periodically dried ditchesDaniel Rondelaud, Philippe Vignoles and Gilles DreyfussAnn. Limnol. - Int. J. Lim., 52 (2016) 379-386DOI: https://doi.org/10.1051/limn/2016022