ENGER, W. (1974). Design Manual: Soil mechanics, foundations, and Earth structures. Nfec.
Stile di citazione ChicagoENGER, W.M. Design Manual: Soil Mechanics, Foundations, and Earth Structures. Nfec, 1974.
Citazione MLAENGER, W.M. Design Manual: Soil Mechanics, Foundations, and Earth Structures. Nfec, 1974.
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