000 002660000a22001210004500
245 _aElementary quantity surveying
100 _aRalphs, Sidney
250 _a2d ed.
260 _aLondon
_bPitman
_c1964
080 _a69.003.123
_bR3
041 _aEN
942 _cBK
999 _c110149
_d110149