@article {Abreu:1997uq,
	title = {{A Study of the reaction e+ e- {\textendash}-> mu+ mu- gamma (ISR) at LEP and search for new physics at annihilation energies near 80-GeV}},
	journal = {Z. Phys.},
	volume = {C75},
	year = {1997},
	pages = {581-592},
	doi = {10.1007/s002880050504},
	author = {Abreu, P. and others}
}
