CATALYSIS TODAY, vol. 35, no. 1-2, page. 37 - 43, 1997-03-14
APPLIED CATALYSIS B-ENVIRONMENTAL, vol. 8, no. 3, page. 267 - 279, 1996-05-23
CATALYSIS TODAY, vol. 38, no. 2, page. 193 - 198, 1997-10-24