@article{Hampel-Arias:20164i, author = "Hampel-Arias, Zigfried and Westerhoff, Stefan", title = "{Gamma Hadron Separation using Pairwise Compactness Method with HAWC}", doi = "10.22323/1.236.1001", journal = "PoS", year = 2016, volume = "ICRC2015", pages = "1001" }