The role of Promoters in Tungstated Zirconia Catalysts Tesche, B. ; Lukinskas, P. ; Kuba, S. ; Graselli, B. R. K. ; Spliethoff ; Knözinger, H. Abstract Publication: Microscopy and Microanalysis Pub Date: September 2003 DOI: 10.1017/S1431927603021329 Bibcode: 2003MiMic...9S.198T