@inproceedings{Giacinti:2016i8, author = "Giacinti, Gwenael and Bell, A. R.", title = "{The Onset of Cosmic Ray Acceleration at Supernovae: From Shock Breakout to the First Decades }", doi = "10.22323/1.236.0519", booktitle = "Proceedings of The 34th International Cosmic Ray Conference {\textemdash} PoS(ICRC2015)", year = 2016, volume = "236", pages = "519" }