TY - RPRT TI - Diet induced differences in carbon isotope fractionation between sirenians and terrestrial ungulates AU - M.T. Clementz AU - P.L. Koch AU - C.A. Beck PY - 2007 DO - 10.1007/s00227-007-0616-1 UR - https://pubs.usgs.gov/publication/70029762 ID - 70029762 ER -