McGeehan, D. D., & Samuel, L. H. (1988). Underwater bridge inspection programs: A summary of a workshop. Transportation Research Board, National Research Council.
Παραπομπή σε μορφή Chicago (17η εκδ.)McGeehan, Daniel D., και Lynn H. Samuel. Underwater Bridge Inspection Programs: A Summary of a Workshop. Washington, D.C: Transportation Research Board, National Research Council, 1988.
Παραπομπή σε μορφή MLA (9th εκδ.)McGeehan, Daniel D., και Lynn H. Samuel. Underwater Bridge Inspection Programs: A Summary of a Workshop. Transportation Research Board, National Research Council, 1988.
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