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journal1  2014, Vol. 32 Issue (18): 48-53    DOI: 10.3981/j.issn.1000-7857.2014.18.007
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Extraction of Sectional Contour Lines of Goafs using Triangulation Model
LUO Zhouquan1, ZHANG Wenfen1, LUO Zhenyan1, XU Shimin2
1. School of Resources and Safety Engineering, Central South University, Changsha 410083, China;
2. School of Resources & Safety Engineering, China University of Mining & Technology, Beijing 100083, China

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