The mind tool : computers and their impact on society / Neill Graham. Graham, Neill. 1941- Computers. Computers and civilization. BASIC (Computer program language) QA76 .G672 1980 001.64 GRM Includes bibliographical references and index. St. Paul, Minn. : West, c1980. c1980. 1980 Text xv, 398 p. : eng West series in data processing and information systems