Hydrochemistry of alluvial aquifer in the Cobra River sub-basin

by Alexandre de O. Lima, Nildo da S. Dias, Francisco P. Lima Filho, Miguel Ferreira Neto, Priscila R. do A. Rego, Anderson de M. Souza

A proposed index to assess quality of waters from desalination plants

by Francisco P. de S. Antas, Jair J. R. de Freitas, André M. de Oliveira, Nildo da S. Dias, Alexandre de O. Lima, Osvaldo N. de Sousa Neto