1. Lippens, B. C.; Steggerda, J. J.Physical And Chemical Aspects OfAdsorbents And Catalysts; Linsen E. G.; Ed.; Academic Press: London: 1970; pp 171−211.
2. Nedez, C.; Ray, J.L.Environmental Catalysis; Centi, G., Cristiani, S., Perathoner, S., Forzatti, P., Ed.; EFCE Publications-Series 112; Societa Chimica Italiana: Roma, Italy, 1995; pp 37−40.