APPLIED CATALYSIS A-GENERAL, vol. 110, no. 1, page. 11 - 25, 1994-03-17
APPLIED CATALYSIS A-GENERAL, vol. 104, no. 2, page. 199 - 214, 1993-10-20
CATALYSIS LETTERS, vol. 20, no. 3-4, page. 221 - 229, 1993-01