O. Rodríguez Gámez, R. Pérez Macías, I. Aguilera Rodríguez, R. M. Pérez Silva, and A. Abalos Rodríguez, “Removal of copper from contaminated waters using rhamnolipids”, Rev Cub Quim, vol. 32, no. 3, pp. 511–526, Jan. 2021.