If you are Sebastião Raimundo de Jesus Belém Leitão Filho, you can request the authorship for this paper.

If so, you will receive download notifications about it, and can agregate all your papers on your author profile.

Do you confirm your are Sebastião Raimundo de Jesus Belém Leitão Filho and want request authorship for it?

(To complete the process you will have to login)