Johansen, K. W. (1972). Yield-line formulae for slabs. London: Cement and Concrete Association.
Chicago Style CitationJohansen, Knud Winstrup. Yield-line Formulae for Slabs. London: Cement and Concrete Association, 1972.
MLA CitationJohansen, Knud Winstrup. Yield-line Formulae for Slabs. London: Cement and Concrete Association, 1972.
Warning: These citations may not always be 100% accurate.