000 00568nam a2200229Ia 4500
008 210210b xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a519/6
100 _aBARR (Thomas)
245 _aPractical mathematics for continuation and engineering surveying classes
260 _aLondon
_bBlackie and Son Limited
_c
650 _asurveying
650 _aPractical
650 _amathematics
650 _afor
650 _aengineering
650 _acontinuation
650 _aclasses
650 _aand
690 _aMathematics
906 _a007867
999 _c140726
_d140726