@inproceedings{TURNAU:2010Qd, author = "TURNAU, Jacek", title = "{Three- and Four-jet Production at Low x at HERA}", doi = "10.22323/1.084.0322", booktitle = "Proceedings of European Physical Society Europhysics Conference on High Energy Physics {\textemdash} PoS(EPS-HEP 2009)", year = 2010, volume = "084", pages = "322" }