TY - BOOK AU - AU - Fredericu,J.R. ED - United States. TI - Improved ultrasonic nondestructive testing pressure vessels U1 - US 624.176 23rd ed. PY - 1979/// CY - Washington, D. C. PB - United States Government Printing Office KW - Pressure vessels KW - Strains and stresses KW - Structural dynamics N1 - NUREG/CR-0909 ER -