Øystein Ulleberg, “Stand-alone power systems for the future: Optimal design, operation & control of solar-hydrogen energy systems,” PhD thesis at Norwegian Technical University, Trondheim (1998)
2.
Technical data communicated by H. Hofmann of MTU, Friednchshafen-GmbH, Germany
3.
Communicated by R. Hamelmann at Proton Motor GmbH, Germany
