TY - RPRT TI - Core-valence and core-core correlation effects on hyperfine-structure parameters and oscillator strengths in Tl AU - T Brage AU - DS Leckrone AU - Froese Fischer C PY - 1996 DO - 10.1103/physreva.53.192 UR - https://pubmed.ncbi.nlm.nih.gov/9912873/ ID - 9912873 ER -