Ledgard, Henry F., 1943- The programming language landscape / [electronic resource] / Henry Ledgard, Michael Marcotty.. — Chicago : : Science Research Associates,, c1981.. — xv, 460 p. : : ill. ; 24 cm. - The SRA computer science series. Includes index. Bibliography: p. [433]-446. ISBN: 0574213406 : $20.95 9780574213402 LCCN: 80025219 Subjects--Topical Terms: Programming languages (Electronic computers) LC Class. No.: QA76.7 / .L44 Dewey Class. No.: 001.64/24