Origin of the isotopic composition of natural perchlorate: Experimental results for the impact of reaction pathway and initial ClOx reactant - Estrada, Nubia; Anderson, Todd; Bohlke, J.K.; Gu, Baohua; Hatzinger, Paul; Mroczkowski, Stanley; Rao, Balaji; Sturchio, Neil; Jackson, W. (Geochimica et Cosmochimica Acta, 2021)