@article{article86ce682b,
title   = {Simple and efficient device for treatment of fluoride samples in analysis by the selective electrode method},
author = {Carvalho, Sílvia Magali Sasso and Polizello, Ana Cristina Morseli and Caldeira, Thaís H and Spadaro, Augusto Cesar Cropanese},
year = {1997},
journal   = {Analytical Letters}
}