Design and Implementation of a Parabolic Cylinder Collector with Solar Tracking to obtain hot waterWilson E. Sánchez, Mario P. Jiménez, Carlos A. Mantilla, José M. Toro, Miguel A. Villa and Germánico SinchiguanoE3S Web Conf., 57 (2018) 02003DOI: https://doi.org/10.1051/e3sconf/20185702003