1. Bochum ring road: Planning and choice of construction method

   • G. Steineheuser
   • B. Maidl

   OriginalPaper Pages: 63 - 76

2. Reconnaissance of fractured media with several systems of fractures by means of harmonic techniques

   • B. Crosnier
   • G. Fras
   • P. Jouanna

   OriginalPaper Pages: 77 - 105

3. Applicability of the theory of hollow inclusions for overcoring stress measurements in rock

   • Bernard Amadei

   OriginalPaper Pages: 107 - 130

4. A model describing rock cutting with conical picks

   • Karl Erik Rånman

   Technical Note Pages: 131 - 140

5. Book Review

   • N. Barton

   BookReview Pages: 141 - 143

6. Announcements

   Announcement Pages: 145 - 147