Report on research work of Institutes in Germany, the United States, The European Union, and Centres of International Agricultural Research and Development(1988-1994)
(1994)
Special lectures presented at the International Symposium on the chemistry of natural products held in Melbourne, Canberra and Sydney, Australia, August 1960 and organized by the Austrelian Academy of Science
(1961)
Internat. Union of Physiological Sciences Satelite Symposium Lester B. Pearson College of the Pacific Victoria, British Columbia, Canada July 19-22, 1986
(1987)
