Comunicação, linguagem, automação.
By: [Coordenação de] M. C. d'Azevedo.
Series: Universidade Federal do Rio Grande do Sul.  Comissão Central de Publicacões. Cadernos universitários,; 1
Published: 1970
Place of publication: Pôrto Alegre
Language: por
Number of pages: 105
Subjects: Communication.; Information storage and retrieval systems.
Notes: Includes bibliographies.