001.644 Wit C Witten, Ian H Communicating with microcomputers: an introduction to the technology of man-computer comunication / Ian H. Witten. - - London : Academic Press, 1980. [ix], 163 p. : graficos ; 23 cm. - - ( Computer and people Series) Incluye índice ISBN 0-12-760750- 1. - ISBN 0-12 -760752-8 Pbk 22/7/87