Optogalvanic spectroscopy and hyperfine structure studies in praseodymium

Blaise, 1973, J. Opt. Soc. Am., 63, 1315 Zalubas, 1973, J. Opt. Soc. Am., 63, 102, 10.1364/JOSA.63.000102 1975 1978 Lev, 1953, Phys. Rev., 91, 619, 10.1103/PhysRev.91.619 Böklen, 1975, Z. Phys. A, 274, 195, 10.1007/BF01437730 Ramsey, 1944, Phys. Rev., 76, 996, 10.1103/PhysRev.76.996 Ginibre, 1981, Physica Scripta, 23, 260, 10.1088/0031-8949/23/3/008 Childs, 1981, Phys. Rev. A, 24, 1342, 10.1103/PhysRevA.24.1342 Cheng, 1985, Phys. Rev. A, 31, 2775, 10.1103/PhysRevA.31.2775