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Ultimate Flexural Strength of Prestressed and Conventionally Reinforced Concrete Beams

Jack R. JanneyEivind HognestadDouglas McHenryDoug McHenry

出版	Portland Cement Association, Research and Development Laboratories, 1956
URL	http://books.google.com.hk/books?id=1aVsW2U9-vgC&hl=&source=gbs_api