TY - RPRT TI - Leaf cellulose δD and δ 18 O trends with elevation differ in direction among co-occurring, semiarid plant species AU - Vallery J. Terwilliger AU - Julio L. Betancourt AU - Steven W. Leavitt AU - Peter K. Van De Water PY - 2002 DO - 10.1016/s0016-7037(02)00964-x UR - https://pubs.usgs.gov/publication/70024182 ID - 70024182 ER -