1. H.H. Kung, Adv. Catal. 40(1994)1.
2. Y. Moro-oka and W. Ueda, in:Catalysis, Vol.11, Specialist Periodical Reports (Royal Society of Chemistry, Cambridge, 1994) ch. 6.
3. F. Cavani and F. Trifirò, in:Catalysis, Vol.11, Specialist Periodical Reports (Royal Society of Chemistry, Cambridge, 1994) ch. 7.
4. F. Cavani and F. Trifirò, Catal. Today 24(1995)307.
5. E.A. Mamedov and V. Cortés Corberán, Appl. Catal. A 127(1995)1.