Zack Butler, John Barr. CS puzzle contest. Inroads, 9(1):68, 2018. [doi]
@article{ButlerB18,
title = {CS puzzle contest},
author = {Zack Butler and John Barr},
year = {2018},
doi = {10.1145/3177863},
url = {http://doi.acm.org/10.1145/3177863},
researchr = {https://researchr.org/publication/ButlerB18},
cites = {0},
citedby = {0},
journal = {Inroads},
volume = {9},
number = {1},
pages = {68},
}