000 003050000a22001210004500
245 _aConservation and protection of building materials
100 _aWinstanley, G.T.B.
260 _aSlough
_bCement & Concrete Assoc.
_c1973
300 _a32 p.
080 _a69.004.4
_bW5
041 _aEN
942 _cBK
999 _c105213
_d105213