Search for stimulated photon-photon scattering in vacuumD. Bernard, F. Moulin, F. Amiranoff, A. Braun, J. P. Chambaret, G. Darpentigny, G. Grillon, S. Ranc and F. PerroneEur. Phys. J. D, 10 1 (2000) 141-145DOI: https://doi.org/10.1007/s100530050535