BibTex format
@article{Ge:2016:10.1080/00207179.2016.1228123,
author = {Ge, M and Kerrigan, EC},
doi = {10.1080/00207179.2016.1228123},
journal = {International Journal of Control},
pages = {1903--1915},
title = {Noise Covariance Identification for Time-varying and Nonlinear Systems},
url = {http://dx.doi.org/10.1080/00207179.2016.1228123},
volume = {90},
year = {2016}
}