TY - JOUR AU - DeGraffenreid, W AU - Campbell, S AU - Sansonetti, Craig C2 - JOSA B DA - 2021-10-12 15:10:24 LA - en PB - JOSA B PY - 2021 TI - Reference Lines in Optogalvanic Spectra of Uranium and Thorium Over the Wavelength Range 422 nm to 462 nm ER -