1.

Conference Proceedings

Conference Proceedings
W. Lei ; L. Tong
Pub. info.: Electron-beam sources and charged-particle optics : 10-14 July 1995, San Diego, California.  pp.155-166,  1996.  Bellingham, WA.  Society of Photo-optical Instrumentation Engineers
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 2522
2.

Conference Proceedings

Conference Proceedings
W. Lei ; L. Tong
Pub. info.: Electron-beam sources and charged-particle optics : 10-14 July 1995, San Diego, California.  pp.138-148,  1996.  Bellingham, WA.  Society of Photo-optical Instrumentation Engineers
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 2522