Oscar E. Ruiz and  Carlos Cadavid and  Juan G. Lalinde and  Ricardo Serrano and  Guillermo Peris-Fajarnes,  Gabriel-constrained Parametric Surface Triangulation.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2008, vol. 20(8). 568 - 575
    [viewed 15 October 2019]. Available from: https://publications.waset.org/pdf/2116.