Steven Skiena, Pavel Sumazin. Shift error detection in standardized exams. J. Discrete Algorithms, 2(2):313-331, 2004. [doi]
@article{SkienaS04,
title = {Shift error detection in standardized exams},
author = {Steven Skiena and Pavel Sumazin},
year = {2004},
doi = {10.1016/S1570-8667(03)00083-2},
url = {http://dx.doi.org/10.1016/S1570-8667(03)00083-2},
researchr = {https://researchr.org/publication/SkienaS04},
cites = {0},
citedby = {0},
journal = {J. Discrete Algorithms},
volume = {2},
number = {2},
pages = {313-331},
}