Holden, Alan Orderly tangles: cloverleafs, gordian knots, and regular polylinks/ Alan Holden ; with photographs by Doug Kendall. - New York: Columbia University Press, 1983. - x, 97 p.: ill.; 24 cm. Includes index. Bibliography: p. 93. ISBN: 0231055447 LCCN: 83001780 Nat. Bib. No.: GB84-7201 Subjects--Topical Terms: Polyhedra.Knots and splices.String figures Dewey Class. No.: 516.23 / H726o