Search U.S. government technical reports digitized or harvested by TRAIL.
Radiation hazards encountered in arc melting thorium
A process for the preparation of thorium by sodium reduction of thorium tetrachloride
Solvent extraction recovery of thorium and yttrium from siliceous Colorado ores
The rare-earth elements, yttrium, and thorium;a materials survey,
Absorption of radium and thorium from Wyoming and Utah uranium mill tailings solutions