General Dynamics. (1967). Programmed Instruction Handbook. Nondestructive testing: Magnetic particle testing (3a ed.). General Dynamics Convair Division.
Cita Chicago Style (17a ed.)General Dynamics. Programmed Instruction Handbook. Nondestructive Testing: Magnetic Particle Testing. 3a ed. San Diego: General Dynamics Convair Division, 1967.
Cita MLA (9a ed.)General Dynamics. Programmed Instruction Handbook. Nondestructive Testing: Magnetic Particle Testing. 3a ed. General Dynamics Convair Division, 1967.
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