@conference { LLG+13, title = {SHREC13 track: Large scale sketch-based 3d shape retrieval}, booktitle = {Eurographics Workshop on 3D Object Retrieval}, year = {2013}, author = {Li, B and Lu, Y. and Godil, Afzal and Schreck, Tobias and Aono, M. and Johan, H. and Saavedra, Jose} }