000			003390000a22001330004500
245			_aPrecast concrete production
100			_aRichardson, J.G.
260			_aLondon _bCement & Concrete Association _c1973
300			_axi, 232p. : ill., photos.
020			_a721009123
080			_a624.012.3 _bR5
041			_aEN
942			_cBK _02
999			_c103527 _d103527