Evaluation of self-feeders as a tool to study diet preferences in groups of Atlantic cod (Gadus morhua)Sandie Millot, Jonatan Nilsson, Jan Erik Fosseidengen, Marie-Laure Bégout and Tore KristiansenAquat. Living Resour., 25 3 (2012) 251-258DOI: https://doi.org/10.1051/alr/2012020