@article{02208249, title = {On the coefficients of variation of uptime and downtime in manufacturing equipment.}, journal = {Mathematical Problems in Engineering}, volume = {2005}, year = {2005}, pages = {1-6}, doi = {10.1155/MPE.2005.1}, zbl = {1145.90372}, language = {en}, url = {http://dml.mathdoc.fr/item/02208249} }
Li, Jingshan; Meerkov, Semyon M. On the coefficients of variation of uptime and downtime in manufacturing equipment.. Mathematical Problems in Engineering, Tome 2005 (2005) pp. 1-6. doi : 10.1155/MPE.2005.1. http://gdmltest.u-ga.fr/item/02208249/