@patent{holube1999b,
 author = {Holube, I. and Meyer, W. and Husung, K. and Gebert, A. and Sporer, G.},
 title = {Hörgerätesystem mit zwei Hörhilfegeräten / Hearing aid system with two hearing aid devices and method of operation of such an hearing aid system},
 tags = {H+A, Hörgeräte},
 year = {1999},
 number = {DE 59913005, EP 0941014.},
}