Dimitris Mitropoulos. Better safe than sorry: backup your backups. ACM Crossroads, 18(4):6, 2012. [doi]
@article{Mitropoulos12,
title = {Better safe than sorry: backup your backups},
author = {Dimitris Mitropoulos},
year = {2012},
doi = {10.1145/2173637.2173642},
url = {http://doi.acm.org/10.1145/2173637.2173642},
researchr = {https://researchr.org/publication/Mitropoulos12},
cites = {0},
citedby = {0},
journal = {ACM Crossroads},
volume = {18},
number = {4},
pages = {6},
}