@article{article, title = {{Measurements of the strong coupling constant and the QCD colour factors using four-jet observables from hadronic Z decays}}, publisher = {{Springer Science and Business Media LLC}}, url = {{}}, year = {{2003}}, month = {{1}}, author = {{al. AHE}}, doi = {{10.1140/epjc/s2002-01114-2}}, volume = {{27}}, journal = {{The European Physical Journal C}}, issue = {{1}}, pages = {{1-17}}, note = {{Accessed on 2024/12/23}}}