@ARTICLE{Zhang_Huanqing_Improved_2017,
 author={Zhang, Huanqing and Ge, Hongwei and Yang, Jinlong},
 volume={vol. 63},
 number={No 3},
 journal={International Journal of Electronics and Telecommunications},
 howpublished={online},
 year={2017},
 publisher={Polish Academy of Sciences Committee of Electronics and Telecommunications},
 title={Improved Gaussian Mixture Probability Hypothesis Density for Tracking Closely Spaced Targets},
 URL={http://www.czasopisma.pan.pl/Content/106030/PDF/33.pdf},
 doi={10.1515/eletel-2017-0033},
}