Chellis, R. D. (1961). Pile foundations (Ed.2.). Mc Graw - Hill.
Chicago Edition CitationChellis, Robert D. Pile Foundations. Ed.2. sl: Mc Graw - Hill, 1961.
Deismireacht MLAChellis, Robert D. Pile Foundations. Ed.2. Mc Graw - Hill, 1961.
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