1. Irradiation damage in molybdenum after energetic H+and He++ion bombardment
2. 5th Intern. Conf. for Electron Microscopy;Higgins,1962
3. M. Downie and B. Eyre, private communication.
4. P. R. B. Higgins and A. C. Roberts, unpublished work.
5. K. H. Westmacott and A. C. Roberts, unpublished work.