@article{Zhang:2016WU, author = "Zhang, Shoushan and Cao, Zhen", title = "{Observation of a knee in the p+He energy spectrum below 1 PeV by using an hybrid measurement with ARGO-YBJ and a LHAASO Cherenkov Telescope}", doi = "10.22323/1.236.0261", journal = "PoS", year = 2016, volume = "ICRC2015", pages = "261" }