title={Graph-based path planning for autonomous robotic exploration in subterranean environments}, author={Dang, Tung and Mascarich, Frank and Khattak, Shehryar and Papachristos, Christos and Alexis, Kostas} 挪威科技大学论文：用于地下环境中自主机器人探索的基于图的路径规划