EXPERIMENTAL INVESTIGATION OF THE BALMER SPECTRUM FROM A DENSE HYDROGEN PLASMA NEAR THE PHOTORECOMBINATION THRESHOLD K. Günther, S. Lang, R. Radtke et R. Ulbricht J. Phys. Colloques, 40 C7 (1979) C7-679-C7-680 DOI: 10.1051/jphyscol:19797329