@inproceedings{Weisskopf:2009lV, author = "Weisskopf, Martin", title = "{High Energy Polarisation - Historical remarks }", doi = "10.22323/1.078.0002", booktitle = "Proceedings of Polarimetry days in Rome: Crab status, theory and prospects {\textemdash} PoS(CRAB2008)", year = 2009, volume = "078", pages = "002" }