APA-referens (7:e uppl.)

Califor, C. o. E. Earthquake engineering research at berkeley-1980. College of Engineering University of California.

Chicago-referens (17:e uppl.)

Califor, College of Engineering. Earthquake Engineering Research at Berkeley-1980. College of Engineering University of California.

MLA-referens (8:e uppl.)

Califor, College of Engineering. Earthquake Engineering Research at Berkeley-1980. College of Engineering University of California.

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