1. Graphite irradiations 300°–1200°C
2. I.A.E.A. Symposium on Advanced and High-Temperature Gas Cooled Reactors;Stöcker,1968
3. I.A.E.A. Symposium on Advanced and High-Temperature Gas Cooled Reactors;Nettley,1968
4. I.A.E.A. Symposium on Advanced and High-Temperature Gas Cooled Reactors;Huddle,1968