International Seminar on Non-Destructive Examination in Relation to Structural Integrity (3rd : 1983 : Monterey):Non-destructive examination for pressurised components
.International Seminar on Non Destructive Examination in Relation to Structural Integrity (2nd : 1981 : Paris):Advances in non-destructive examination for structural integrity.Applied Science Pub.,1982.
International Seminar on Non Destructive Examination in Relation to Structural Integrity (2nd : 1981 : Paris):Advances in non-destructive examination for structural integrity