How to Make the Citation of this Document using the INPE Standard (BibINPE Format)
NEGRI, R. B.; PRADO, A. F. B. A. A historical review of the theory of gravity-assists in the pre-spaceflight era. Journal of the Brazilian Society of Mechanical Sciences and Engineering, v. 42, n. 5, p. e406, Aug. 2020. DOI: <10.1007/s40430-020-02489-x>. Available from: <http://doi.org/10.1007/s40430-020-02489-x>.
How to Make the In-Text Citation (by author/year)
... as proposed by Negri and Prado (2020).
... may be found in the literature (NEGRI; PRADO, 2020).