1. Foreword

   • Edoardo Garrone
   • Michel Che

   EditorialNotes Pages: i - i

2. Frank S. Stone

   Announcement Pages: ii - vi

3. The adsorption and activation of CO molecules on ZrO₂ catalysts having low-coordinated surface sites

   • M. Anpo
   • S. C. Moon

   OriginalPaper Pages: 1 - 12

4. Calorimetric study of the adsorption of air pollutants on alumina-supported tin and gallium oxides

   • B. Gergely
   • A. Auroux

   OriginalPaper Pages: 13 - 24

5. Surface properties of catalytic aluminas modified by alkaline-earth metal cations: A microcalorimetric and IR-spectroscopic study

   • Vera Bolis
   • Giuliana Magnacca
   • Claudio Morterra

   OriginalPaper Pages: 25 - 56

6. Thermal stability of V-loaded AlPO₄-5 materials

   • Hari Prasad Rao
   • Mohamed Ali Zanjanchi
   • Michel Che

   OriginalPaper Pages: 57 - 75

7. Acidic and basic sites in NaX and NaY faujasites investigated by NH₃, CO₂ and CO molecular probes

   • G. Martra
   • S. Coluccia
   • H. Hattori

   OriginalPaper Pages: 77 - 93

8. Zeolites as model solids for investigations on the role of iron at the solid-liquid interface in particulate toxicity

   • Bice Fubini
   • Elio Giamello
   • Ann E. Aust

   OriginalPaper Pages: 95 - 109

9. Propene adsorption and reaction on zeolites and pillared clays

   • Rosaria Chiappetta
   • Silvia Bodoardo
   • Edoardo Garrone

   OriginalPaper Pages: 111 - 129