TY - JOUR AU - F. Roussel AU - P. Breger AU - G Spiess AU - C Manus AU - Sydney Geltman BT - Journal of Physics B: Atomic and Molecular Physics DA - Feb-11-1981 DO - 10.1088/0022-3700/13/21/002 PY - 1980 SP - L631 EP - L636 T2 - Journal of Physics B: Atomic and Molecular Physics TI - Evidence of super-elastic effects in laser-induced ionisation of Na vapour VL - 13 SN - 0022-3700 ER -