@inproceedings{paperid:1032220, author = {Parsa, Motahareh and Mohtashami Borzadaran, Gholam Reza and Rezaei Roknabadi, Abdolhamid}, title = {Useful Period for Some Generalized Gamma Type Distributions with Bathtub Shaped Failure Rate Function}, booktitle = {یازده همین کنفرانس آمار ایران}, year = {2012}, location = {تهران, IRAN}, keywords = {Useful period; Failure rate function; Mean residual life function; Change point; Bathtub curve; Generalized gamma.}, }