000 002660000a22001210004500
245 _aCalculation for bricklayers
100 _aSedwell, N.A.
260 _aLondon
_bEdward Arnold
_c1966
300 _a118 p.
080 _a693.22
_bS4
041 _aEN
942 _cBK
999 _c105290
_d105290