1. Keeping abreast of the regulations;Sulphur,1994
2. Deactivation of Claus Tail-Gas Treating Catalysts
3. Proceed. 1st World Congr. on Environ. Catal. for Better World and Life, Pisa;Pieplu,1995
4. Proceed. Intern. Symp. Molecular Aspects of Catalysis by Sulfides, St-Petersburg;Kovalenko,1998
5. Practical Surface Analysis,1990