The three volumes VIII/3A, B, C of Energy Technologies should primarily serve scientists, engineers, and students to gain information on physical, chemical, and technical properties of all technologies to provide, convert, distribute, store, and finally use energy. They are supplemented with economic background information and with specific concepts, to allow the reader a proper comparison of different energy technologies. In this way these volumes on energy technologies should help human society pave the way towards sufficient and environmentally safe provision and use of energy. The...