@ARTICLE{Absi2008b,
author={Absi, Nabil},
title = {Models and methods for capacitated lot-sizing problems},
journal = {4OR A Quarterly Journal of Operations Research},
year = {2008},
volume = {6},
pages = {311--314},
number = {3},
doi = {http://dx.doi.org/10.1007/s10288-007-0062-4}
}