@article{shao2013interpretingsketches,
 author = {Shao T, Li W, Zhou K, Xu W, Guo B, Mitra NJ},
 title = {Interpreting concept sketches},
 year = {2013},
 journal = {ACM Transactions on Graphics (Proc. SIGGRAPH)},
 volume = {32},
 number = {4},
}