Pile Driving Analyzer Users Day, Cleveland,Ohio, June 1989 : 5/1-5/12.
Year: 1989
Proposed Mechanism for Occurrence of Large Quakes.
Pile Driving Analyzer Users Day, Cleveland, Ohio, June 1989 : 8/1-8/3.
Recent Developments in Design and Practice of Piling.
Workshop at The University of Queensland, July 1989 : 2.1-2.57.
