International Conference on Nondestructive Testing.International conference on Nondestructive Testing (7th : 1973).V.9,Material properties and NDT methods.,1973.
International Conference on Nondestructive Testing.International conference on Nondestructive Testing (7th : 1973).V.6,Ultrasonic testing of welds.,1973.
International Conference on Nondestructive Testing.International conference on Nondestructive Testing (7th : 1973).V.7,NDT in reactor technology.,1973.