Hydrogen energy system : proceedings of the 2nd World Hydrogen Energy Conference, held in Zurich, Switzerland, 21-24 August 1978 / jt. ed. by T. Nejat Veziroglu, Walter Seifritz ; presented by International Association for Hydrogen Energy ; hosted by Swiss Federal Institute for Reactor Research, in cooperation with Swiss Federal Institute of Technology [and] Clean Energy Research Institute, University of Miami.