NZ Geomechanics News NZ Geomechanics News NZGS Published 11/01/1981 Downloads 23_Nov1981_NZGeoNews-3.pdf Published 11/01/1981 Collection NZ Geomechanics News Compilation NZ Geomechanics News>Issue 23 - June 1981 Issue 18 Location New Zealand Type Magazine (full) ISSN 0111-6851
