Hannß, Kantja. Uchumataqu : the lost language of the urus of Bolivia. A grammatical description of the language as documented between 1894 and 1952. - Leiden : CNWS, 2008. - 303 p. : grafs. ; 24 cm. - ILLA. ; no. 7 . - CNWS. ; v. 158 . Inglés, aymara y quechua. ISBN: 9789057891588 Dewey Class. No.: 498.5