TY - JOUR AN - 10 AU - Boymans,M. AU - Dreschler,W.A. TI - Field trials using a digital hearing aid with active noise reduction and dual-microphone directionality. JO - Audiology PY - 2000 VL - 39 SP - 260-268 M2 - 260 DO - 10.3109/00206090009073090 ER -