Seijó Echevarría, M., Del Tóro Déniz, R., Martinez Castellanos, E., A. Sherbakov, G. and Rodriguez Moya, J. J. (1997) “Uses of natural zeolite in the removal of Pb2+ from contaminated water”, Eclética Química, 22(1), pp. 15–22. doi: 10.26850/1678-4618eqj.v22.1.1997.p15-22.