.245
a	Geographical information systems as a tool to explore land characteristics and land use
b	: with reference to Costa Rica.
h	Book
.100
a	Stoorvogel Jetse J.
.005
a	00000000000000
.260
a	Wageningen: Landbouwuniversiteit te Wageningen, 1995.
b
c	2000
.084
a	581.133 42 Sch
.300
a	151 hlm.
b	gamb., tab., 24 cm.
c	151 hlm.; gamb., tab., 24 cm.
.336
a	Book