> Publishers' series
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12:
Principles of geographical information systems for land resources assessment P. A. Burrough
Oxford: Clarendon Pr., 1994
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12:
Principles of geographical information systems for land resources assessment P. A. Burrough
Oxford: Clarendon Pr., 1993
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12:
Principles of geographical information systems for land resources assessment P. A. Burrough
Oxford: Clarendon Pr., 1991