Øyan, Mats Jørgen and Plettemeier, Dirk and Brovoll, Sverre and Eide, Jo and Dypvik, Henning and Amundsen, Hans E. Foss > Ekkokardiografi or TermsetEmneord::Radar or TermsetEmneord::Frekvensmodulering or RIMFAX or Romfart > Article