Sekanina, A., Pucher, E., Gruber, K., & Kronberger, H. (2007). Fuel Cell Vehicle Efficiency Optimization by Advanced Fuel Cell Design and Drive Train Simmulation. 
International Journal of Engine Research, 
WWW.SAE.ORG/TECHNICAL/PAPERS/2007-24-0072. 
http://hdl.handle.net/20.500.12708/169416 ( reposiTUm)