Study on Key Problems for Plane Geometric Diagram Retrieval
FU Songping, Lü Xiaoqing, LIU Lu; FENG Tianxiao, LI Keqiang, TANG Zhi
Acta Scientiarum Naturalium Universitatis Pekinensis . 2015, (6): 1008 -1016 .  DOI: 10.13209/j.0479-8023.2015.086

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