BibTex format
@article{Choudhury:2005:10.1016/j.conengprac.2004.05.005,
author = {Choudhury, MAAS and Thornhill, NF and Shah, SL},
doi = {10.1016/j.conengprac.2004.05.005},
journal = {CONTROL ENGINEERING PRACTICE},
pages = {641--658},
title = {Modelling valve stiction},
url = {http://dx.doi.org/10.1016/j.conengprac.2004.05.005},
volume = {13},
year = {2005}
}