Erf, R. K. E. b. (1974). Holographic non destructive testing. Academic press.
Čikaški stil citiranjaErf, Robert K Ed. by. Holographic Non Destructive Testing. New York: Academic press, 1974.
MLA način citiranjaErf, Robert K Ed. by. Holographic Non Destructive Testing. Academic press, 1974.
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