Heiner, Carl W. People create technology / Carl W. Heiner, Wayne R. Hendrix ; consulting editor, Paul W. DeVore. - Worcester, Mass. : Davis Publications, c1980. - 256 p. : ill. ; 25 cm. Bibliography: p. 251-252. ISBN: 087192109X Subjects--Topical Terms: Technology--Juvenile literature.Technology. LC Class. No.: T 48 / H44 1980 Dewey Class. No.: 600