@article {Abreu:1995mu,
	title = {{Measurement of Gamma ($b \bar{b}$) / Gamma (hadrons) using impact parameter measurements and lepton identification}},
	journal = {Z. Phys.},
	volume = {C66},
	year = {1995},
	pages = {323-340},
	doi = {10.1007/BF01556358},
	author = {Abreu, P. and others}
}
