11th International Congress on Catalysis, 40th anniversary : Proceedings of the 11th ICC, Baltimore, MD, USA, June 30-July 5, 1996. Part A pp.87-, 1996. New York. Elsevier
Hydrotreatment and hydrocracking of oil fractions : proceedings of the 1st International Symposium/6th European Workshop, Oostende, Belgium, February 17-19, 1997. pp.415-, 1997. Amsterdam. Elsevier
Recent advances in basic and applied aspects of industrial catalysis : proceedings of 13th National Symposium and Silver Jubilee Symposium of Catalysis of India, Dehradun, India, April 2-4, 1997. pp.111-, 1998. Amsterdam. Elsevier