1. Transport chaos in Lima “causes and proposed solutions” Urb Vladimir arana Ysa president of the SURP
2. RICARDO PALMA-UNIVERSITY Faculty of Engineering - School of Electronic Engineering - VEHICULAR TRAFFIC CONTROL AUTOMATED USING FUZZY LOGIC. Salas de Somocurcio-Ruiz Alvaro Enrique
3. Wiering M.; Van Veenen J.; Vreeken J.; Koopman A.; “Intelligent Traffic Light Control.Institute of Information and Computing Sciences”, Utrecht University, 2004.
4. CEPAL 76 - The Urban Traffic Congestion: causes and economic and social consequences - April 2002. Page 110.
5. Faculty of Arts and Humanities - Relation between stressors and coping in public transportation in Lima group of occupationally active users. - Mariela Patricia Chavez Pacora - Page 10