@inproceedings{DeStefanis:2013Ok, author = "De Stefanis, Marco", title = "{Experimental study of the relative phase between J/Psi production amplitudes}", doi = "10.22323/1.184.0010", booktitle = "Proceedings of 51st International Winter Meeting on Nuclear Physics {\textemdash} PoS(Bormio 2013)", year = 2013, volume = "184", pages = "010" }