TY  - RPRT
TI  - Late Pleistocene C4 plant dominance and summer rainfall in the southwestern United States from isotopic study of herbivore teeth
AU  - S.L. Connin
AU  - J. Betancourt
AU  - Jay Quade
PY  - 2017
DO  - 10.1006/qres.1998.1986
UR  - https://pubs.usgs.gov/publication/70020678
ID  - 70020678
ER  -