2007-08-212007-08-211973BARRETTO, PAULO MARCOS DE CAMPOS. "EMANATION CHARACTERISTICS OF TERRESTRIAL AND LUNAR MATERIALS AND THE RADON-222 LOSS EFFECT ON THE URANIUM - LEAD SYSTEM DISCORDANCE." (1973) Diss., Rice University. <a href="https://hdl.handle.net/1911/19023">https://hdl.handle.net/1911/19023</a>.https://hdl.handle.net/1911/19023application/pdfengCopyright 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.GeologyThesisThesis Geol. 1973 Barretto