000 00346cam a22001097a 4500
008 180718b1950 xxu||||| |||| 00| 0 eng d
082 _aX2x42
100 _aKinniburgh, W
245 _aTest walls for assessing costruction times with new building blocks
_cby W. Kinniburgh
260 _aLondon
_bHer Majesty's Stationery Office
_c1950
300 _a8+p.
999 _c498728
_d498728