1. Proc. 9th Intersociety Energy Conversion Engineering Conf., American Institute of Chemical Engineers;Libowitz,1974
2. Proc. NSF-ERDA Workshop on Solar Heating and Cooling of Buildings;Gruen,1975
3. Proc. 1st World Hydrogen Energy Conf.;Gruen,1976
4. Proc. 11th Intersociety Energy Conversion Engineering Conf.;Gruen,1976
5. Proc. Int. Symp. on Properties and Applications of Metal Hydrides IV,1984