MUSICA TRADICIONALE ACULTURADA DOS IKUNG' DE ANGOLA. (Traditional and Acculturated Music of the IKung' of Angola), Estudos de Antropologia Cultural No. 4, by Gerhard Kubik, translated into the Portuguese by Joao de Freitas Branco, Junta de Investigacoes do Ultramar, Centro de Estudos de Antropologia Cultural, 1970, 88 pp., ill.NATUREZA E ESTRUTURA DE ESCALAS MUSICAIS AFRICANAS. (Forms and Structure of African Musical Scales), Estudos de Antropologia Cultural No. 3, by Gerhard Kubik, translated into the Portuguese by Joao de Freitas Branco, Junta de Investigacoes do Ultramar, Centro de Estudos de Antropologia Cultural, 1970,36 pp.