TY  - RPRT
TI  - Trends in stomatal density and 13C/12C ratios of Pinus flexilis needles during last glacial-interglacial cycle
AU  - Peter K. Van De Water
AU  - Steven W. Leavitt
AU  - J.L. Betancourt
PY  - 1994
DO  - 10.1126/science.264.5156.239
UR  - https://pubs.usgs.gov/publication/70017767
ID  - 70017767
ER  -