Saturation of the ODMR effect on singlet exciton induced emission in molecular crystals: Application to crystalline tetraceneT. Barhoumi, F. Henia, S. Romdhane, J. L. Monge, M. Mejatty and H. BouchrihaEur. Phys. J. B, 38 3 (2004) 395-402DOI: https://doi.org/10.1140/epjb/e2004-00133-x