Heyer-R., L., Ramos-G., O. G., de la Garza-R., F. R., Rivera-O., P., & Castro-M., B. I. (2008). Water quality and public health in the central area of Tamaulipas. Universidad Autónoma de Tamaulipas.

Heyer-R., Lorenzo, Olga G. Ramos-G., Francisco R. de la Garza-R., Patricio Rivera-O., and Blanca I. Castro-M. Water Quality and Public Health in the Central Area of Tamaulipas. Universidad Autónoma de Tamaulipas, 2008.

Heyer-R., Lorenzo, et al. Water Quality and Public Health in the Central Area of Tamaulipas. Universidad Autónoma de Tamaulipas, 2008.