Ball James W., Blaine McCleske R., & U.S. Geological Survey. A new cation-exchange method for accurate field speciation of hexavalent chromium.
Cita Chicago (17th ed.)Ball James W., Blaine McCleske R., i U.S. Geological Survey. A New Cation-exchange Method for Accurate Field Speciation of Hexavalent Chromium.
Cita MLA (9th ed.)Ball James W., et al. A New Cation-exchange Method for Accurate Field Speciation of Hexavalent Chromium.
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