Modeling risk factors dependence using Copula method for assessing software schedule risk
Dengsheng Wu;   Hao Song;   Minglu Li;   Chen Cai;   Jianping Li;
Software Engineering and Data Mining (SEDM), 2010 2nd International Conference on
http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5542857