TY - RPRT TI - A method for the determination of vanadium and iron oxidation states in naturally occurring oxides and silicates AU - R. B. Wanty AU - M. B. Goldhaber PY - 1985 DO - 10.1016/0039-9140(85)80105-3 UR - https://pubs.usgs.gov/publication/70012761 ID - 70012761 ER -