@inproceedings{Zeitler:2001hu, author = "Zeitler, Guenter", title = "{First experimental check of the GDH sum rule }", doi = "10.22323/1.007.0039", booktitle = "Proceedings of International Europhysics Conference on High Energy Physics {\textemdash} PoS(hep2001)", year = 2001, volume = "007", pages = "039" }