TY - RPRT TI - Microbial mass-dependent fractionation of chromium isotopes AU - E.R. Sikora AU - T.M. Johnson AU - T.D. Bullen PY - 2008 DO - 10.1016/j.gca.2008.05.051 UR - https://pubs.usgs.gov/publication/70000285 ID - 70000285 ER -