Chen et al. published a paper entitiled "Experimental and field evaluation of otolith strontium as a marker to discriminate between river-spawning populations of walleye in Lake Erie" in the Canadian Journal of Fisheries and Aquatic Sciences. Authors on this paper are: Kuan-Yu Chen, Stuart A. Ludsin, Morgan M. Corey, Paris D. Collingsworth, Megan K. Nims, John W. Olesik, Konrad Dabrowski, Jason J. van Tassell, and Elizabeth A. Marschall.