TY - RPRT TI - XAS study of AsO43− and SeO42− substituted schwertmannites AU - G.A. Waychunas AU - Ning Xu AU - C. C. Fuller AU - J.A. Davis AU - J.M. Bigham PY - 1995 DO - 10.1016/0921-4526(94)00730-j UR - https://pubs.usgs.gov/publication/70185719 ID - 70185719 ER -