1. "Positron
Annihilation in Amorphous Solids," New England Institute, Ridgefield, CT, Mar., 1969.Colloquia Presented at Other Institutions:
1. "Positron
Annihilation in Amorphous Solids," New England Institute, Ridgefield, CT, Mar., 1969.
2. "Positron
Annihilation in Solids," Emory
University, Department of Physics, Atlanta, GA, Mar.,1970.
3. "Positron
Annihilation Studies," National
Taiwan University, Taipei, Taiwan, Aug., 1974.
4. "The Use of Positron
Annihilation in Solid State Studies," National Taiwan University, Taipei,
Taiwan, Feb., 1978.
5. "Positron
Annihilation in -Cyclodextrin: Effects of Adsorbed Gases," National
Tsing Hua University, Hsinchu, Taiwan, Mar., 1978.
6. "Positron
Annihilation in -Cyclodextrin: Effects of Adsorbed Gases," National
Central University, Chung-Li, Taiwan, Apr., 1978.
7. "Theory and
Applications of Positron Annihilation Studies," Nanjing
University, Nanjing, China, Nov.,
1983.
8. "Applications of
Positron Annihilation Lifetime Techinque in Solid State
Studies," Si-Chuan University, Si-Chuan, China, Dec., 1983.
9. "Positron
Annihilation Studies in Solids," Chong-Qing University, Si-Chuan, China, Dec., 1983.
10. "Positron Research in China - A
Physicist's View of the Country," Department of Physics and
Astronomy, University of Georgia, Athens, GA, April 19, 1984.
11. "Positronium Chemistry," Department of Chemistry, Georgia Institute
of Technology, Atlanta, GA,
April 26, 1984.
12. "Positron Annihilation Research
in Organic Solids," Department
of Physics and Astronomy, University of Alabama,
University, AL, April 3,
1985.
13. "Positron Annihilation Studies
of Organic Solids," Department
of Physics, The University of Alabama at Birmingham,
Birmingham, AL, Feb. 9,
1990.
