C-R MODEL CALCULATIONS IN RECOMBINING PLASMAS : POPULATION INVERSIONS IN Cal7+, Ti19+ AND Cu26+ LITHIUM-LIKE IONS A. SUREAU, H. GUENNOU and C. MÖLLER J. Phys. Colloques, 49 C1 (1988) C1-195-C1-198 DOI: 10.1051/jphyscol:1988137