@article{rao2011,
 author = {Murali Rao and Sohan Seth and Jianwu Xu and Yunmei Chen and Hemant Tagare and Jos\'{e} C. Pr\'{i}ncipe},
 title = {A test of independence based on a generalized correlation function},
 journal = {Signal Processing},
 volume = {91},
 issue = {1},
 year = {2011},
 pages = {15--27}
}