Location and timing of the deposition of egg strands by perch (Perca fluviatilis L.): the roles of lake hydrology, spawning substrate and female sizeM. Čech, J. Peterka, M. Říha, M. Muška, J. Hejzlar and J. KubečkaKnowl. Managt. Aquatic Ecosyst., 403 (2011) 08DOI: https://doi.org/10.1051/kmae/2011070