@article{Finkelstein2015,
author = {Finkelstein, M. and Vaupel, J.W.},
title= {On random age and remaining lifetime for populations of items},
year = {2015},
doi = {10.1002/asmb.2073},
journal = {Applied Stochastic Models in Business and Industry},
volume = {31},
number = {5},
pages = {681−689},
}