@article{Betancourt Uscátegui_1999, title={Nota del director}, volume={5}, url={https://revistas.udistrital.edu.co/index.php/reving/article/view/2187}, DOI={10.14483/23448393.2187}, abstractNote={-}, number={2}, journal={Ingeniería}, author={Betancourt Uscátegui, Álvaro}, year={1999}, month={Nov.}, pages={5–7} }