TY - RPRT TI - Analysis of a Lake Superior coastal food web with stable isotope techniques AU - Janet R. Keough AU - Michael E. Sierszen AU - Cynthia Hagley PY - 2003 DO - 10.4319/lo.1996.41.1.0136 UR - https://pubs.usgs.gov/publication/70203753 ID - 70203753 ER -