Keywords: Mura-piraha-matanawi.png en Source Dixon Aikhenvald 1999 Other small families and isolates in The Amazonian Languages Dixon Alexandra Y Aikhenvald eds Cambridge Cambridge University Press 1999 p 268-70 Nicholas Ostler 2005 Empires of the World A Language History of the World p 362 own Davius 2011/February Linguistic maps of South America |