000			003580000a22001450004500
245			_aYield-line theory
100			_aJohansen, K.W.
260			_aLondon _bCement and Concrete Association _c1962
300			_a181p. : ill.
080			_a624.042 _bJ6
650			_aMATHEMATICAL THEORY
650			_aMATHEMATICAL MODELS
041			_aEN
942			_cBK _02
999			_c95604 _d95604