000 002670000a22001210004500
245 _aConcrete for the conctractor
100 _aGreen, N.D.
260 _aLondon
_bC. Lockwood
_c1948
300 _a185 p., ill.
080 _a693.54
_bG7
041 _aEN
942 _cBK
999 _c96534
_d96534