[1] download;jsessionid=B3E918FD46E5C196CD3D84D9FE8BB501, 2020-11-02T08:06:11.000Z http://citeseerx.ist.psu.edu/viewdoc/download;jsessionid=B3E918FD46E5C196CD3D84D9FE8BB501?doi=10.1.1.730.2168&rep=rep1&type=pdf