TY - RPRT TI - Trophic analysis of ruffe (Gymnocephalus cernuus) and white perch (Morone americana) in a Lake Superior Coastal food web, using stable isotope techniques AU - M.E. Sierszen AU - J.R. Keough AU - C.A. Hagley PY - 1996 DO - 10.1016/s0380-1330(96)70968-1 UR - https://pubs.usgs.gov/publication/1001122 ID - 1001122 ER -