@article {Abreu:1994ri,
	title = {{Measurement of the Gamma (b anti-b) / Gamma (hadron) branching ratio of the Z by double hemisphere tagging}},
	journal = {Z. Phys.},
	volume = {C65},
	year = {1995},
	pages = {555-568},
	doi = {10.1007/BF01578666},
	author = {Abreu, P. and others}
}
