00649nam0-2200229 --450 991022035990332120171016113808.020171016d1962----km y0itay50 baengdanGBa 001yyYield-line theoryby K. W. Johansentranslated from the DanishLondonCement and concrete association1962181 p.ill.22 cmJohansen,K. W.747863ITUNINAREICATUNIMARCBK9910220359903321NN 2011073DINEDDINEDYield-line theory1494604UNINA