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- [2] NON-DESTRUCTIVE TESTING - NDT 81 - 26TH ANNUAL CONFERENCE OF THE BRITISH-INSTITUTE-OF-NONDESTRUCTIVE-TESTING - BRITISH-INSTITUTE-OF-NONDESTRUCTIVE-TESTING 14-16 SEPTEMBER 1981 AT KINGS-COLLEGE, CAMBRIDGE PHYSICS IN TECHNOLOGY, 1982, 13 (01): : 29 - 30
- [3] NDT 69 - SIXTH ANNUAL CONFERENCE OF NON-DESTRUCTIVE TESTING SOCIETY OF GREAT BRITAIN - READING, BERKSHIRE, ENGLAND 2-5 SEPTEMBER 1969 NON-DESTRUCTIVE TESTING, 1969, 2 (04): : 274 - &