The field of a spherical wave at high frequencies diffracted by a sphere A. J. Hermans OriginalPaper Pages: 103 - 112
On the numerical solution of the plane elasto-plastic problem R. Nottrot OriginalPaper Pages: 113 - 119
On the abstraction of drinking-water from a circular island in sea D. H. Keuning OriginalPaper Pages: 121 - 130
An analytical treatment of a class of plane plastic strain problems N. Booij OriginalPaper Pages: 143 - 158
