ANTICROSSING IN PROPYNAL EXCITED BY A NEAR U.V. HIGH REPETITION RATE COPPER VAPOR LASER PUMPED DYE LASER J.P. PIQUE, M. LOMBARDI, U. BRÜHLMANN et H.R. HUBER J. Phys. Colloques, 48 C7 (1987) C7-659-C7-661 DOI: 10.1051/jphyscol:19877159