Bolstad, P. GIS fundamentals: A first text on geographic information systems (4a ed.).
Chicagoスタイル(17版)引用形式Bolstad, Paul. GIS Fundamentals: A First Text on Geographic Information Systems. 4a ed.
MLA(8版)引用形式Bolstad, Paul. GIS Fundamentals: A First Text on Geographic Information Systems. 4a ed.
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