Castro, A. N. D.; Silva, L. C. P. D.; Osório, F. A. P.; Baseia, B.; Valverde, C. Study of the Hyper-Rayleigh Scattering First Hyperpolarizability of a Chalcone Derivative in Various Solvent Media. Photonics Lett. Pol. 2019, 11, 96-98.