text New York The Guilford Press 2002 N vii, 340hlm. 24 cm GEOGRAPHICS INFORMATION SYSTEMS 614.42085 614.42085 Cro g 1572307072 INLIS000000000004052 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)