BTD Power To-Do List dati (Dextronet) BTF Baires Turf File di configurazione (Zamaroht & Karel) BTF Basi Office TypeFace Documento (Basi Computers) BTF File scanner Brother BTG FlightGear File di scenario (The FlightGear Crew) BTH Bathy Recorder File dati (Jeppesen Marine, Inc.) BTL America...