TY  - RPRT
TI  - Use of isotopic sulfur to determine whitebark pine consumption by Yellowstone bears: a reassessment
AU  - Charles C. Schwartz
AU  - Justin E. Teisberg
AU  - Jennifer K. Fortin
AU  - Mark A. Haroldson
AU  - Christopher Servheen
AU  - Charles T. Robbins
AU  - Frank T. van Manen
PY  - 2014
UR  - https://pubs.usgs.gov/publication/70131503
ID  - 70131503
ER  -