00549 a2200205 4500 Geographical information systems as a tool to explore land characteristics and land use : with reference to Costa Rica 151 p. Wageningen Système d'information géographique terre utilisation des terres 1995 ill. EN STOORVOGEL, Jetse J. Costa Rica 90-5485-449-9 29291 29291 0 0 0 0 BIDOC BIDOC 0000-00-00 0 pv.1995.011 2009-02-28 00:00:00 1 2009-02-28 LIVR A.6404