Lewin, W., & Kennedy, W. F. C. (1956). Motor-cyclists, Crash Helmets, and Head Injuries.
Chicago Stili AlıntıLewin, Walpole, ve W. F. C. Kennedy. Motor-cyclists, Crash Helmets, and Head Injuries. 1956.
MLA AlıntıLewin, Walpole, ve W. F. C. Kennedy. Motor-cyclists, Crash Helmets, and Head Injuries. 1956.
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