Charles, J. A. (1993). Building on fill: Geotechnical aspects. Watford: Building Research Establishment.
Παραπομπή Chicago StyleCharles, J. A. Building On Fill: Geotechnical Aspects. Watford: Building Research Establishment, 1993.
Παραπομπή MLACharles, J. A. Building On Fill: Geotechnical Aspects. Watford: Building Research Establishment, 1993.
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