THEORETICAL ELECTRON DENSITY AND TEMPERATURE SENSITIVE EMISSION LINE RATIOS FOR HELIUM-LIKE Si XIII COMPARED TO DITE TOKAMAK OBSERVATIONS F. P. KEENAN, R. BARNSLEY, J. DUNN, K. D. EVANS, S. M. McCANN et N. J. PEACOCKJ. Phys. Colloques, 50 C1 (1989) C1-559-C1-564DOI: https://doi.org/10.1051/jphyscol:1989159