@article {Abreu:1999vu,
	title = {{A Search for invisible Higgs bosons produced in e+ e- interactions at LEP-2 energies}},
	journal = {Phys. Lett.},
	volume = {B459},
	year = {1999},
	pages = {367-381},
	doi = {10.1016/S0370-2693(99)00597-3},
	author = {Abreu, P. and others}
}
