WASET
    Alessandro A. Zizzari and  Francesca Calabrese and  Giovanni Indiveri and  Andrea Coraddu and  Diego Villa,  A Comparative Study on Different Approaches to Evaluate Ship Equilibrium Point.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    January 2013, vol. 73(1). 55 - 59
    [viewed 08 May 2024]. Available from: https://publications.waset.org/pdf/3730.