TY - JOUR AU - DeGraffenreid, W AU - Sansonetti, Craig C2 - Journal of the Optical Society of America B-Optical Physics DA - 2002-01-01 00:01:00 LA - en M1 - 19 PB - Journal of the Optical Society of America B-Optical Physics PY - 2002 TI - Reference Lines in the Optogalvanic Spectra of Urnaium and Thorium over the Wavelength Range 604 nm to 755 nm ER -