1. G. Lucovsky, Specification of MRO in amorphous materials, this volume.
2. S. Elliott, MRO in amorphous materials: Documented cases, this volume.
3. D.L. Price, S. Susman and A.C. Wright, Probing MRO in chalcogenide glasses by neutron scattering and optical spectroscopy, this volume.
4. J. Lannin, Intermediate range order in elemental amorphous and liquid semiconductors, this volume.