000 00235nam a22001097a 4500
003 OSt
008 230803b |||||||| |||| 00| 0 eng d
100 _aDugdale, R.H.
245 _aSurveying
260 _bE.L.B.S.
_c1970
942 _2ddc
_cBK
999 _c29311
_d29311