C. Restrepo, L. Ríos and H. Parra, “Interface of communication, visualization and navigation control of the P-METIN mobile platform (in Spanish)”, Scientia et Technica, ISSN 0122-1701, Vol. 2, No. 28, October, pp. 41-46, 2005.

A. Alzate, A. López and C. Restrepo, “Fuzzy control of mobil platform for trajectories follower (in Spanish)”, Scientia et Technica, ISSN 0122-1701, Vol. 3, No. 35, August, pp. 169-174, 2007.

A. Alzate, C. Torres and C. Restrepo, “Design of the Parameters based on Evolutionary Technique of a Power System Stability (in Spanish)”, Scientia et Technica, ISSN 0122-1701, Vol. 5, No. 37,December, pp. 31-36, 2007.

J. Molina, C. Torres and C. Restrepo, “New Artificial intelligence techniques for solution of labyrinths With unknown structure (in Spanish)”, Scientia et Technica, ISSN 0122-1701, Vol. 2, No. 39,September, pp. 135-140, 2008.

A. Alzate, C. Torres and C. Restrepo, “Control of a STATCOM on a Power System by Means of Pole Placement and LQR (in Spanish)”, Scientia et Technica, ISSN 0122-1701, Vol. 2, No. 39, September, pp. 66-71, 2008.

C. Torres, D. Murillo and C. Restrepo, “Design and Construction of a Three-phase inverter (inSpanish)”, Scientia et Technica, ISSN 0122-1701, Vol. 3, No. 40, December, pp. 37-42, 2008.

A. Alzate, C. Torres and C. Restrepo, “Fuzzy Power System Stability design based in the LMI technique (in Spanish)”, Scientia et Technica, ISSN 0122-1701, Vol. 3, No. 40, December, pp. 31-36,2008.

C. Restrepo, A. Alzate, C. Torres and J. Molina, “Simultaneous localization and mapping using the extended Kalman Filter (in Spanish)”, Ingeniería UC, ISSN 1316-6832, Vol. 16, No. 1, April,pp. 11-18, 2009.

C. Restrepo, J. Molina and C. Torres, “Genetic algorithm to the optimal location of sensors on a robot line follower (in Spanish)”, Scientia et Technica, ISSN 0122-1701, Vol. 1, No. 41, May, pp.87-92, 2009.

C. Torres, C. Restrepo and A. Alzate, “Considerations of static and dynamic design for converters DC-DC (in Spanish)”, Scientia et Technica, ISSN 0122-1701, Vol. 2, No. 42, August, pp. 57-62, 2009.