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Ritter, M. A.; Oliva, M. G. (1990), "9, Design of Longitudinal Stress-Laminated Deck Superstructures"(PDF), Timber Bridges: Design, Construction, Inspection, and Maintenance, US Dept of Agriculture, Forest Products Laboratory (published 2010), archived from the original(PDF) on 5 March 2021, retrieved 13 May 2014