000 00448cam a2200157 4500
001 D11019
008 090401t xxu||||| |||| 00| 0 eng d
035 _a(Sirsi) u97186
041 _aeng
100 _aLogan, I.T.
245 _aOrdnance Survey digital mapping
350 _a0
520 _aIn RICS et al Survey and mapping. Conference at University of Reading, 30 March - 3 April 1981. (Paper G4) 1981/19 ABC
942 _n0
948 _c04/03/1997
999 _c98803
_d98803