1. Achievements of the Dragon Project;Rennie;Ann. Nucl. Energy,1978
2. Status and prospects of the HTR in the Federal Republic of Germany;Weicht,1981
3. Fourth all-union seminar on high-temperature power generation;Stolyarevskii,1979
4. HTGR technology development program annual progress report for period ending December 31, 1980;Homan,1981
5. Status of the United States national HTGR program;Simon,1981