Portland Cement Association. (1951). Concrete piles: Design, manufacture, driving. Chicago: Portland cement company.
Citación estilo ChicagoPortland Cement Association. Concrete Piles: Design, Manufacture, Driving. Chicago: Portland cement company, 1951.
Cita MLAPortland Cement Association. Concrete Piles: Design, Manufacture, Driving. Chicago: Portland cement company, 1951.
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