MASSER, I. (1978). Spatial representation and spatial interaction. Martinus Nijhoff.
Tohutoru Kātū Chicago (17th ed.)MASSER, Ian. Spatial Representation and Spatial Interaction. Leiden: Martinus Nijhoff, 1978.
Tohutoro MLA (9th ed.)MASSER, Ian. Spatial Representation and Spatial Interaction. Martinus Nijhoff, 1978.
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