000			00502nam a22002057a 4500
015			_a230
041			_a1
080			_a624.04 _bWYN
100			_aWynn, A. E.
245			_aEstimating and cost keeping for concrete structures
250			_asecond
260			_aConcrete Publications _bLondon _c1930
300			_a221p. _bfig., Table
650			_aEngineering
852			_a3R2-3
999			_c130 _d130