The impact of trophic changes over 45 years on the Eurasian perch, Perca fluviatilis, population of Lake GenevaJean-Paul Dubois, Christian Gillet, Nadine Hilgert and Gérard BalvayAquat. Living Resour., 21 4 (2008) 401-410DOI: https://doi.org/10.1051/alr:2008051