THERMIONIC EMISSION FROM A TANTALUM CRYSTAL IN CESIUM OR RUBIDIUM VAPOR Document Details Document Type Technical Report Publication Date Mar 01, 1961 Accession Number AD0260362 Entities People H.f. Webster Organizations General Electric Tags DTIC Thesaurus Topics Alkali Metals Elements Emission Group 1 Elements Metals Rubidium Tantalum Thermionic Emission