@article{Viana20144,
    title="A simple approach to symmetrical and unsymmetrical ureas",
    journal="Blucher Chemistry Proceedings",
    volume="1",
    number="1",
    pages="338 - 338",
    year="2013",
    note="",
    issn="23184043",
    doi="http://dx.doi.org/10.5151/chempro-14bmos-R0338-1",
    url="www.proceedings.blucher.com.br/article-details/a-simple-approach-to-symmetrical-and-unsymmetrical-ureas-8158",
    author="G. M. Viana", "J. A. Ferrão", "J. D. Senra", "M. G. Vasconcelos", "A. B. C. Simas", "L. C. S. Aguiar",
    keywords="",
}