@ARTICLE{
author={Obradovic Ratko,Beljin Branislav,Popkonstantinovic Branislav D},
year={2014},
title={Approximation of Transitional Developable Surfaces between Plane Curve and Polygon},
journal={ACTA POLYTECHNICA HUNGARICA},
volume={11},
number={9},
pages={217-238},
document_type={Article},
} 

@ARTICLE{
author={Obradovic Ratko,Popkonstantinovic Branislav D,Beljin Branislav},
year={2012},
title={Algorithm for approximation transitional developable surfaces between two polygons},
journal={TECHNICS TECHNOLOGIES EDUCATION MANAGEMENT-TTEM},
volume={7},
number={4},
pages={1907-1913},
document_type={Article},
}