2018-12-182018-12-181920Porter, Everett Ellis. "Colloidal barium sulphate." (1920) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/104345">https://hdl.handle.net/1911/104345</a>.https://hdl.handle.net/1911/10434525 ppengCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.ThesisRICE1977reformatted digitalThesis Chem. 1920 Porter