Principles of geographical information systems for land resources assessment
1988 ◽
Vol 12
(3)
◽
pp. 212
1987 ◽
Vol 8
(4)
◽
pp. 675-675
1988 ◽
Vol 3
(1)
◽
pp. 108-108
◽
1988 ◽
Vol 15
(3-4)
◽
pp. 357-358
◽
1987 ◽
Vol 1
(2)
◽
pp. 189-190