White, A. T. (2001). Graphs of groups on surfaces: Interactions and models. Elsevier.
Chicago Style aipamenaWhite, Arthur T. Graphs of Groups on Surfaces: Interactions and Models. Amsterdam ; New York: Elsevier, 2001.
MLA aipamenaWhite, Arthur T. Graphs of Groups on Surfaces: Interactions and Models. Elsevier, 2001.
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