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- [4] NONDESTRUCTIVE TESTING - REVIEW OF DEVELOPMENT, APPLICATION AND TRAINING METAL CONSTRUCTION, 1976, 8 (04): : 153 - 153
- [5] TRAINING FOR ULTRASONIC NONDESTRUCTIVE TESTING PERSONNEL AT KRAUTKRAMER KAUTSCHUK GUMMI KUNSTSTOFFE, 1979, 32 (07): : 535 - 535
- [7] FUTURE TRAINING AND CERTIFICATION NEEDS FOR NONDESTRUCTIVE TESTING PERSONNEL TRANSACTIONS OF THE AMERICAN NUCLEAR SOCIETY, 1974, 19 : 18 - 19
- [9] TRAINING, QUALIFYING AND CERTIFYING PERSONNEL IN FIELD OF NONDESTRUCTIVE TESTING METALLURGIA ITALIANA, 1976, 68 (12): : 611 - 615