@inproceedings{WillsSN:08,
    author = "Wills, Adrian and Sch{\"{o}}n, Thomas and B. Ninness",
    title = "Parameter Estimation for Discrete-Time Nonlinear Systems Using EM",
    year = "2008",
    month = Jul,
    address = "Seoul, South Korea",
    booktitle = "Proceedings of the 17th IFAC World Congress",
}