Clayton, C. R. I. (1993). Retaining structures: Proceedings of the conference retainingstructures. London : New York, NY: T. Telford Distributor for USA,American Society of Civil Engineers, Publications Sales Dept..
Παραπομπή Chicago StyleClayton, C. R. I. Retaining Structures: Proceedings of the Conference Retainingstructures. London : New York, NY: T. Telford Distributor for USA,American Society of Civil Engineers, Publications Sales Dept., 1993.
Παραπομπή MLAClayton, C. R. I. Retaining Structures: Proceedings of the Conference Retainingstructures. London : New York, NY: T. Telford Distributor for USA,American Society of Civil Engineers, Publications Sales Dept., 1993.
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