Journal article (2009) - A.B.T. Barbaro (author), Alethea B.T. Barbaro (author), Alethea Barbaro (author), Baldvin Einarsson (author), Bjorn Birnir (author), Sven Sigurosson (author), Heoinn Valdimarsson (author), Olafur Karvel Palsson (author), Sveinn Sveinbjornsson (author), Porsteinn Sigurosson (author)