Bowles, J. E. (1996). Foundation analysis and design (5th ed.). New York: McGraw-Hill Companies.
Παραπομπή Chicago StyleBowles, Joseph E. Foundation Analysis and Design. 5th ed. New York: McGraw-Hill Companies, 1996.
Παραπομπή MLABowles, Joseph E. Foundation Analysis and Design. 5th ed. New York: McGraw-Hill Companies, 1996.
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