@article{articlece8132cd,
title   = {Direct analysis of barium, calcium, potassium, and manganese concentrations in tobacco by laser-induced breakdown spectroscopy},
author = {Silvestre, Daniel Menezes and Leme, Flávio de Oliveira and Nomura, Cassiana Seimi and Nascimento, Angerson Nogueira do},
year = {2016},
doi = {10.1016/j.microc.2016.01.015},
journal   = {Microchemical Journal}
}