Exploration for rock engineering : proceedings of the Symposium on Exploration for Rock Engineering/Johannesburg/1-5 November 1976 - Symposium on Exploration for Rock Engineering (1976 : Johannesburg); Bieniawski, Z. T.; South African Institution of Civil Engineers (Rotterdam : A. A. Balkema, 1976)
'Published on behalf of the Geotechnical Division of the South African Institute of Civil Engineers and the South African National Group on Rock Mechanics.'
Keywords: Rock mechanics -- Congresses