@article {Abreu:2000de,
	title = {{Study of dimuon production in photon-photon collisions and measurement of QED photon structure functions at LEP}},
	journal = {Eur. Phys. J.},
	volume = {C19},
	year = {2001},
	pages = {15-28},
	doi = {10.1007/s100520100592},
	author = {Abreu, P. and others}
}
