1. Constrained interpolation and qualitative information—The soft kriging approach

   • A. G. Journel

   Articles Pages: 269 - 286

2. Disjunctive kriging, universal kriging, or no kriging: Small sample results with simulated fields

   • Carlos E. Puente
   • Rafael L. Bras

   Articles Pages: 287 - 305

3. Smoothing unit vector fields

   • Carlos E. Mendoza

   Articles Pages: 307 - 322

4. “Discovery” sampling in geological research—Part II

   • A. Grassia

   Articles Pages: 323 - 328

5. A derivation of the Isted formula for average mineral grade of a triangular prism

   • D. F. Watson
   • G. M. Philip

   Articles Pages: 329 - 333

6. Mapping by simple indicator kriging

   • Andrew R. Solow

   Articles Pages: 335 - 352

7. Book review

   • B. D. Ripley

   BookReview Pages: 353 - 354