1. President's address

   • Richard A. Reyment

   OriginalPaper Pages: 451 - 454

2. Statistical theories of crack propagation

   • D. Vere-Jones

   OriginalPaper Pages: 455 - 481

3. The algebraic evaluation of two-dimensional finite strain rosettes

   • David J. Sanderson

   OriginalPaper Pages: 483 - 496

4. Sampling variation of principal components

   • J. Trochimczyk
   • F. Chayes

   OriginalPaper Pages: 497 - 506

5. Evaluation of distortion of residuals in trend surface analysis by clustered data

   • Brian R. Shaw

   OriginalPaper Pages: 507 - 517

6. A mathematical model to investigative distortions of correlation coefficients in closed arrays

   • Wolfdietrich Skala

   OriginalPaper Pages: 519 - 528

7. Interpolation and trend analysis: Two geohydrological applications

   • L. Torelli
   • P. Tomasi

   OriginalPaper Pages: 529 - 542