BibTex Entry:

@inproceedings{Hennessey:2017:HGE:3023368.3023371,
 author = {Hennessey, James W. and Liu, Han and Winnem\"{o}ller, Holger and Dontcheva, Mira and Mitra, Niloy J.},
 title = {How2Sketch: Generating Easy-to-follow Tutorials for Sketching 3D Objects},
 booktitle = {Proceedings of the 21st ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games},
 series = {I3D '17},
 year = {2017},
 isbn = {978-1-4503-4886-7},
 location = {San Francisco, California},
 pages = {8:1--8:11},
 articleno = {8},
 numpages = {11},
 url = {http://doi.acm.org/10.1145/3023368.3023371},
 doi = {10.1145/3023368.3023371},
 acmid = {3023371},
 publisher = {ACM},
 address = {New York, NY, USA},
 keywords = {shape analysis, sketching, tutorials},
}