Rohitash Chandra and  Christian W. Omlin,  Evolutionary Training of Hybrid Systems of Recurrent Neural Networks and Hidden Markov Models.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2008, vol. 15(3). 817 - 822
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/12598.