@article {Abreu:1999qr,
	title = {{Search for charginos nearly mass - degenerate with the lightest neutralino}},
	journal = {Eur. Phys. J.},
	volume = {C11},
	year = {1999},
	pages = {1-17},
	doi = {10.1007/s100520050610},
	author = {Abreu, P. and others}
}
