1. Field Ion Microscopy, Principles and Application;Müller,1969
2. 21st Intern. Field Emission Symp.;Melmed,1974
3. Field Emission from Silicon
4. Technique for the Preparation of Ge and Si Field‐Emission Cathodes
5. The silicon whiskers were donated by the Pigments Department of E.I. duPont de Nemours and Co., Inc., DuPont Experimental Station, Wilmington, Delaware.