@misc{indiciae4530b0328e68, title = {Use of sulfur and nitrogen stable isotopes to determine the importance of whitebark pine nuts to Yellowstone grizzly bears}, author = {L.A. Felicetti and C.C. Schwartz and R. O. Rye and M.A. Haroldson and K.A. Gunther and D.L. Phillips and C.T. Robbins}, year = {2003}, doi = {10.1139/z03-054}, url = {https://pubs.usgs.gov/publication/70025628}, note = {Source identifier: 70025628} }