Orchard-Hays, W. 1918- Advanced linear-programming computing techniques/ - New York: McGraw-Hill, [1968]. - xi, 355 p.: illus., 24 cm. Bibliography: p. 341-347. LCCN: 68016489 Nat. Bib. No.: GB69-4427 Subjects--Topical Terms: Linear programming. Dewey Class. No.: 519.72 / O64a