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"Lower Bounds on the Obstacle Number of Graphs."
Padmini Mukkamala, János Pach, Dömötör Pálvölgyi (2012)
- Padmini Mukkamala, János Pach, Dömötör Pálvölgyi:
Lower Bounds on the Obstacle Number of Graphs. Electron. J. Comb. 19(2): 32 (2012)
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