Tripanagnostopoulos, Y. , Nousia, Th., Souliotis, M. and Yianoulis, P. Hybrid Photovoltaic/Thermal solar systems. Solar Energy ,72, pp 217-234 ,2002.
Cho, K., Jeong, S. , Sari ,D. , Harvesting Wind Energy from Aerodynamic Design for Building Integrated Wind Turbines, International Journal of Technology ,3: 189‐198, 2011.
Tappan, Ann., Winds of Change, Urban Land 63:11-12 26, 28-29, 2004