00793cam|a2200169 i 450000500170000000800410001702000150005803500150007305000200008811101130010824502370022126000370045830000110049544000490050665000470055570000210060220260818134240.0300300s1994    gw      r    0100|0 eng |  a3540587950  a.b1142208700aG70.2bI62 19942 aInternational Workshop on Advanced Research in Geographic Information Systemsd(1994 :cAscona, Switzerland)10aIGIS '94 :bgeographic information systems : International Workshop on Advanced Research in Geographic Information Systems, Monte Verita, Ascona, Switzerland, February 28 - March 4, 1994 : proceedings /cJurg Nievergelt ... [et al.]  aBerlin :bSpringer-Verlag,c1994  a291 p. 0aLecture notes in computer science ;vno. 88410aGeographic information systemsxCongresses10aNievergelt, Jurg