Freeman, I. L. (1975). Building failure patterns and their implications. Watford: Building Research Establishment.
Παραπομπή Chicago StyleFreeman, I. L. Building Failure Patterns and Their Implications. Watford: Building Research Establishment, 1975.
Παραπομπή MLAFreeman, I. L. Building Failure Patterns and Their Implications. Watford: Building Research Establishment, 1975.
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