Gilberto Gonzalez-A and  Gerardo Jaimes-A,  Observers Design for Systems Modelled by Bond Graphs with Multivariable Monotone Nonlinearities.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2012, vol. 61(1). 22 - 29
    [viewed 09 May 2024]. Available from: https://publications.waset.org/pdf/8422.