"Bertrand, J., Serieyssol, K., & Ector, L. 2015. The influence of land use and the nature of the substrate on the diatom association from ponds found in two adjacent regions of France. Cryptogamie, Algologie, 36(3): 305-322." . . . "Bertrand et al. (2015)" . . "2015"^^ . "Bertrand et al. (2015)" . "2015"^^ .