ROLE OF GAS, SAMPLE AND LASER BEAM PARAMETERS IN LASER GENERATION OF A LOW THRESHOLD BREAKDOWN PLASMA IN A GAS IN FRONT OF A SOLID TARGET J. HERMANN, C. BOULMER-LEBORGNE, I. N. MIHAILESCU et B. DUBREUILJ. Phys. IV France, 01 C7 (1991) C7-709-C7-710DOI: https://doi.org/10.1051/jp4:19917192