00801cam a2200217 a 450000500170000000800410001702000150005803500150007305000250008811100500011324501570016324600120032026000370033230000110036944000490038065000470042965000350047665000370051170000160054870000190056420260817161741.0080911s1993    gw      r     100|0 eng |  a3540568697  a.b1005741900aQA76.9 D3bS978 19932 aSymposium SSD '93n(3rd :c1993 :cSingapore)10aAdvances in spatial databases :bThird International Symposium, SSD '93, Singapore, June 23-25, 1993 : proceedings /cDavid Abel and Beng Chin Ooi, eds.30aSSD '93  aBerlin :bSpringer-Verlag,c1993  a529 p. 0aLecture notes in computer science ;vno. 692 0aGeographic information systemsvCongresses 0aGeographic information systems 0aData base managementvCongresses1 aAbel, David1 aOoi, Beng Chin