@article{Betancourt Uscátegui_2003, title={Nota del Director}, volume={9}, url={https://revistas.udistrital.edu.co/index.php/reving/article/view/1878}, DOI={10.14483/23448393.1878}, abstractNote={-}, number={2}, journal={Ingeniería}, author={Betancourt Uscátegui, Álvaro}, year={2003}, month={Nov.}, pages={2} }