TY - RPRT TI - Influences of calcium availability and tree species on Ca isotope fractionation in soil and vegetation AU - B.D. Page AU - T.D. Bullen AU - M.J. Mitchell PY - 2008 DO - 10.1007/s10533-008-9188-5 UR - https://pubs.usgs.gov/publication/70031880 ID - 70031880 ER -