1. Recognition of toroidal and spheroidal geometry in metal clusters

   • René P. F. Kanters
   • J. J. Steggerda

   Articles Pages: 229 - 239

2. XPS characterization of SiO₂-supported iridium producedin situ from Ir₄(CO)₁₂

   • R. Zanoni
   • R. Psaro
   • D. Roberto

   Articles Pages: 241 - 247

3. Synthesis and reactivity of sulfido ruthenium carbonyl clusters

   • Richard D. Adams
   • Miklos Tasi

   Review Pages: 249 - 267

4. An organometallic approach to the synthesis of high nuclearity Mo-Fe-S clusters as potential models for the iron-molybdenum cofactor of nitrogenase

   • Patricia A. Eldredge
   • Bruce A. Averill

   Review Pages: 269 - 285