Knuth, Donald Ervin, 1938- TEX and METAFONT: new directions in typesetting/ Donald E. Knuth. - Bedford, Mass.: Digital Press, c1979. - 362 p. in various pagings: ill.; 21 cm. Includes index Subjects--Topical Terms: Computerized typesetting. Dewey Class. No.: 005.133 / K74t