000 00310nam a2200133Ia 4500
082 _bRAL
100 _aRalphs, Sidney
245 _aElementry quntity surveying
250 _a2nd
260 _aLondon
_bSir Isaac Pitman & Sons Ltd.
_c1964
300 _avii,320p.
650 _aApplied Sc.
650 _aMathematics
999 _c4690
_d4690