TY - BOOK AU - U.S. Office of Education. Division of Vocational and Technic TI - Industrial radiography: instructor' s guide, by the Division of Vocational and Technical Education of the U.S. Office of Education and the Division of Nuclear Education and Training U1 - 778.33 U-4I PY - 1968/// PB - Washington KW - RADIOGRAPHY -- STUDY & TEACHING KW - X - RAYS -- INDUSTRIAL APPLICATIONS ER -